23312011233 has 32 divisors (see below), whose sum is σ = 36313804800. Its totient is φ = 13025168640.

The previous prime is 23312011207. The next prime is 23312011249. The reversal of 23312011233 is 33211021332.

It is not a de Polignac number, because 23312011233 - 2⁸ = 23312010977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (23312011273) 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 31 ways as a sum of consecutive naturals, for example, 1065993 + ... + 1087641.

It is an arithmetic number, because the mean of its divisors is an integer number (1134806400).

Almost surely, 2^23312011233 is an apocalyptic number.

It is an amenable number.

23312011233 is a deficient number, since it is larger than the sum of its proper divisors (13001793567).

23312011233 is a wasteful number, since it uses less digits than its factorization.

23312011233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22797.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23312011233 its reverse (33211021332), we get a palindrome (56523032565).

The spelling of 23312011233 in words is "twenty-three billion, three hundred twelve million, eleven thousand, two hundred thirty-three".