23738386533 has 4 divisors (see below), whose sum is σ = 31651182048. Its totient is φ = 15825591020.

The previous prime is 23738386519. The next prime is 23738386541. The reversal of 23738386533 is 33568383732.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23738386533 - 2²⁵ = 23704832101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23738386513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3956397753 + ... + 3956397758.

It is an arithmetic number, because the mean of its divisors is an integer number (7912795512).

Almost surely, 2^23738386533 is an apocalyptic number.

It is an amenable number.

23738386533 is a deficient number, since it is larger than the sum of its proper divisors (7912795515).

23738386533 is an equidigital number, since it uses as much as digits as its factorization.

23738386533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7912795514.

The product of its digits is 6531840, while the sum is 51.

The spelling of 23738386533 in words is "twenty-three billion, seven hundred thirty-eight million, three hundred eighty-six thousand, five hundred thirty-three".