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23403314220 = 2235112131931421
BaseRepresentation
bin10101110010111100…
…100011110000101100
32020102000110112200120
4111302330203300230
5340412222023340
614430142124540
71455645613536
oct256274436054
966360415616
1023403314220
119a1a619400
124651880750
13228c7c1130
1411c02b6856
1591e92a4d0
hex572f23c2c

23403314220 has 576 divisors, whose sum is σ = 84485345280. Its totient is φ = 4790016000.

The previous prime is 23403314219. The next prime is 23403314281. The reversal of 23403314220 is 2241330432.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 55589610 + ... + 55590030.

Almost surely, 223403314220 is an apocalyptic number.

23403314220 is a gapful number since it is divisible by the number (20) 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 23403314220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42242672640).

23403314220 is an abundant number, since it is smaller than the sum of its proper divisors (61082031060).

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

23403314220 is a wasteful number, since it uses less digits than its factorization.

23403314220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23403314220 its reverse (2241330432), we get a palindrome (25644644652).

The spelling of 23403314220 in words is "twenty-three billion, four hundred three million, three hundred fourteen thousand, two hundred twenty".