23651432655 has 32 divisors (see below), whose sum is σ = 39888249600. Its totient is φ = 11933920512.

The previous prime is 23651432639. The next prime is 23651432669. The reversal of 23651432655 is 55623415632.

It is a happy number.

It is not a de Polignac number, because 23651432655 - 2⁴ = 23651432639 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154467 + ... + 266763.

It is an arithmetic number, because the mean of its divisors is an integer number (1246507800).

Almost surely, 2^23651432655 is an apocalyptic number.

23651432655 is a deficient number, since it is larger than the sum of its proper divisors (16236816945).

23651432655 is a wasteful number, since it uses less digits than its factorization.

23651432655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113063.

The product of its digits is 648000, while the sum is 42.

The spelling of 23651432655 in words is "twenty-three billion, six hundred fifty-one million, four hundred thirty-two thousand, six hundred fifty-five".