23523700533557 has 16 divisors (see below), whose sum is σ = 27433322294400. Its totient is φ = 20162851886016.

The previous prime is 23523700533547. The next prime is 23523700533559. The reversal of 23523700533557 is 75533500732532.

It is not a de Polignac number, because 23523700533557 - 2⁸ = 23523700533301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23523700533559) 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, 22522838 + ... + 23544120.

It is an arithmetic number, because the mean of its divisors is an integer number (1714582643400).

Almost surely, 2^{23523700533557} is an apocalyptic number.

It is an amenable number.

23523700533557 is a deficient number, since it is larger than the sum of its proper divisors (3909621760843).

23523700533557 is an equidigital number, since it uses as much as digits as its factorization.

23523700533557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088457 (or 1088443 counting only the distinct ones).

The product of its (nonzero) digits is 9922500, while the sum is 50.

The spelling of 23523700533557 in words is "twenty-three trillion, five hundred twenty-three billion, seven hundred million, five hundred thirty-three thousand, five hundred fifty-seven".