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23403044424 = 23317712273559
BaseRepresentation
bin10101110010111011…
…100001111001001000
32020101222221211121010
4111302323201321020
5340412134410144
614430132243520
71455643411134
oct256273417110
966358854533
1023403044424
119a1a454731
1246517705a0
13228c7283a6
1411c02463c4
1591e8c55b9
hex572ee1e48

23403044424 has 128 divisors (see below), whose sum is σ = 63116236800. Its totient is φ = 7204807680.

The previous prime is 23403044383. The next prime is 23403044429. The reversal of 23403044424 is 42444030432.

It is a junction number, because it is equal to n+sod(n) for n = 23403044391 and 23403044400.

It is not an unprimeable number, because it can be changed into a prime (23403044429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6573957 + ... + 6577515.

It is an arithmetic number, because the mean of its divisors is an integer number (493095600).

Almost surely, 223403044424 is an apocalyptic number.

23403044424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23403044424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31558118400).

23403044424 is an abundant number, since it is smaller than the sum of its proper divisors (39713192376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23403044424 is a wasteful number, since it uses less digits than its factorization.

23403044424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883 (or 3879 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 23403044424 its reverse (42444030432), we get a palindrome (65847074856).

The spelling of 23403044424 in words is "twenty-three billion, four hundred three million, forty-four thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 71 102 136 142 204 213 227 284 408 426 454 568 681 852 908 1207 1362 1704 1816 2414 2724 3559 3621 3859 4828 5448 7118 7242 7718 9656 10677 11577 14236 14484 15436 16117 21354 23154 28472 28968 30872 32234 42708 46308 48351 60503 64468 85416 92616 96702 121006 128936 181509 193404 242012 252689 273989 363018 386808 484024 505378 547978 726036 758067 807893 821967 1010756 1095956 1452072 1516134 1615786 1643934 2021512 2191912 2423679 3032268 3231572 3287868 4295713 4847358 6064536 6463144 6575736 8591426 9694716 12887139 13734181 17182852 19389432 25774278 27468362 34365704 41202543 51548556 54936724 57360403 82405086 103097112 109873448 114720806 164810172 172081209 229441612 329620344 344162418 458883224 688324836 975126851 1376649672 1950253702 2925380553 3900507404 5850761106 7801014808 11701522212 23403044424