23330031321 has 4 divisors (see below), whose sum is σ = 31106708432. Its totient is φ = 15553354212.

The previous prime is 23330031253. The next prime is 23330031337. The reversal of 23330031321 is 12313003332.

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 not a de Polignac number, because 23330031321 - 2²⁶ = 23262922457 is a prime.

It is a super-2 number, since 2×23330031321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23330031521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3888338551 + ... + 3888338556.

It is an arithmetic number, because the mean of its divisors is an integer number (7776677108).

Almost surely, 2^23330031321 is an apocalyptic number.

It is an amenable number.

23330031321 is a deficient number, since it is larger than the sum of its proper divisors (7776677111).

23330031321 is an equidigital number, since it uses as much as digits as its factorization.

23330031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7776677110.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 23330031321 its reverse (12313003332), we get a palindrome (35643034653).

The spelling of 23330031321 in words is "twenty-three billion, three hundred thirty million, thirty-one thousand, three hundred twenty-one".