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23430423344 = 2419557138373
BaseRepresentation
bin10101110100100011…
…111110001100110000
32020110220110211102012
4111310203332030300
5340441142021334
614432551142052
71456425212066
oct256443761460
966426424365
1023430423344
119a33954939
12465a974928
1322952c3333
1411c3b32036
15921ed29ce
hex5748fe330

23430423344 has 40 divisors (see below), whose sum is σ = 47871869040. Its totient is φ = 11078615808.

The previous prime is 23430423253. The next prime is 23430423371. The reversal of 23430423344 is 44332403432.

It is a self number, because there is not a number n which added to its sum of digits gives 23430423344.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100142 + ... + 238514.

It is an arithmetic number, because the mean of its divisors is an integer number (1196796726).

Almost surely, 223430423344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23430423344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23935934520).

23430423344 is an abundant number, since it is smaller than the sum of its proper divisors (24441445696).

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

23430423344 is a wasteful number, since it uses less digits than its factorization.

23430423344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138957 (or 138951 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 23430423344 its reverse (44332403432), we get a palindrome (67762826776).

The spelling of 23430423344 in words is "twenty-three billion, four hundred thirty million, four hundred twenty-three thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 19 38 76 152 304 557 1114 2228 4456 8912 10583 21166 42332 84664 138373 169328 276746 553492 1106984 2213968 2629087 5258174 10516348 21032696 42065392 77073761 154147522 308295044 616590088 1233180176 1464401459 2928802918 5857605836 11715211672 23430423344