23331120133 has 4 divisors (see below), whose sum is σ = 23333665600. Its totient is φ = 23328574668.

The previous prime is 23331120077. The next prime is 23331120157. The reversal of 23331120133 is 33102113332.

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 23331120133 - 2²⁵ = 23297565701 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 (23331120733) 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, 1258935 + ... + 1277332.

It is an arithmetic number, because the mean of its divisors is an integer number (5833416400).

Almost surely, 2^23331120133 is an apocalyptic number.

It is an amenable number.

23331120133 is a deficient number, since it is larger than the sum of its proper divisors (2545467).

23331120133 is an equidigital number, since it uses as much as digits as its factorization.

23331120133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545466.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23331120133 its reverse (33102113332), we get a palindrome (56433233465).

The spelling of 23331120133 in words is "twenty-three billion, three hundred thirty-one million, one hundred twenty thousand, one hundred thirty-three".