23732634857 has 2 divisors, whose sum is σ = 23732634858. Its totient is φ = 23732634856.

The previous prime is 23732634829. The next prime is 23732634917. The reversal of 23732634857 is 75843623732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23463806041 + 268828816 = 153179^2 + 16396^2 .

It is a cyclic number.

It is not a de Polignac number, because 23732634857 - 2¹⁰ = 23732633833 is a prime.

It is not a weakly prime, because it can be changed into another prime (23732624857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11866317428 + 11866317429.

It is an arithmetic number, because the mean of its divisors is an integer number (11866317429).

Almost surely, 2^23732634857 is an apocalyptic number.

It is an amenable number.

23732634857 is a deficient number, since it is larger than the sum of its proper divisors (1).

23732634857 is an equidigital number, since it uses as much as digits as its factorization.

23732634857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 50.

The spelling of 23732634857 in words is "twenty-three billion, seven hundred thirty-two million, six hundred thirty-four thousand, eight hundred fifty-seven".