23932802557 has 2 divisors, whose sum is σ = 23932802558. Its totient is φ = 23932802556.

The previous prime is 23932802533. The next prime is 23932802563. The reversal of 23932802557 is 75520823932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21033410841 + 2899391716 = 145029^2 + 53846^2 .

It is a cyclic number.

It is not a de Polignac number, because 23932802557 - 2¹⁵ = 23932769789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23932802587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11966401278 + 11966401279.

It is an arithmetic number, because the mean of its divisors is an integer number (11966401279).

Almost surely, 2^23932802557 is an apocalyptic number.

It is an amenable number.

23932802557 is a deficient number, since it is larger than the sum of its proper divisors (1).

23932802557 is an equidigital number, since it uses as much as digits as its factorization.

23932802557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 23932802557 in words is "twenty-three billion, nine hundred thirty-two million, eight hundred two thousand, five hundred fifty-seven".