23643377455757 has 16 divisors (see below), whose sum is σ = 25469604126720. Its totient is φ = 21883809644400.

The previous prime is 23643377455639. The next prime is 23643377455799. The reversal of 23643377455757 is 75755477334632.

It is a cyclic number.

It is not a de Polignac number, because 23643377455757 - 2³⁸ = 23368499548813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23643377455457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6020294 + ... + 9139512.

It is an arithmetic number, because the mean of its divisors is an integer number (1591850257920).

Almost surely, 2^{23643377455757} is an apocalyptic number.

It is an amenable number.

23643377455757 is a deficient number, since it is larger than the sum of its proper divisors (1826226670963).

23643377455757 is a wasteful number, since it uses less digits than its factorization.

23643377455757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129904.

The product of its digits is 1555848000, while the sum is 68.

The spelling of 23643377455757 in words is "twenty-three trillion, six hundred forty-three billion, three hundred seventy-seven million, four hundred fifty-five thousand, seven hundred fifty-seven".