23555691256 has 32 divisors (see below), whose sum is σ = 46599494400. Its totient is φ = 11132039520.

The previous prime is 23555691251. The next prime is 23555691277. The reversal of 23555691256 is 65219655532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23555691251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114270 + ... + 245293.

It is an arithmetic number, because the mean of its divisors is an integer number (1456234200).

Almost surely, 2^23555691256 is an apocalyptic number.

It is an amenable number.

23555691256 is a deficient number, since it is larger than the sum of its proper divisors (23043803144).

23555691256 is a wasteful number, since it uses less digits than its factorization.

23555691256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360019 (or 360015 counting only the distinct ones).

The product of its digits is 2430000, while the sum is 49.

The spelling of 23555691256 in words is "twenty-three billion, five hundred fifty-five million, six hundred ninety-one thousand, two hundred fifty-six".