23321310133 has 4 divisors (see below), whose sum is σ = 25441429248. Its totient is φ = 21201191020.

The previous prime is 23321310119. The next prime is 23321310139. The reversal of 23321310133 is 33101312332.

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 a de Polignac number, because none of the positive numbers 2^k-23321310133 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23321310139) 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, 1060059541 + ... + 1060059562.

It is an arithmetic number, because the mean of its divisors is an integer number (6360357312).

Almost surely, 2^23321310133 is an apocalyptic number.

It is an amenable number.

23321310133 is a deficient number, since it is larger than the sum of its proper divisors (2120119115).

23321310133 is a wasteful number, since it uses less digits than its factorization.

23321310133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120119114.

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

Adding to 23321310133 its reverse (33101312332), we get a palindrome (56422622465).

The spelling of 23321310133 in words is "twenty-three billion, three hundred twenty-one million, three hundred ten thousand, one hundred thirty-three".