23325320511 has 24 divisors (see below), whose sum is σ = 34811371296. Its totient is φ = 15041906880.

The previous prime is 23325320497. The next prime is 23325320521. The reversal of 23325320511 is 11502352332.

It is a happy number.

23325320511 is a `hidden beast` number, since 2 + 3 + 325 + 320 + 5 + 11 = 666.

It is not a de Polignac number, because 23325320511 - 2²¹ = 23323223359 is a prime.

It is a super-2 number, since 2×23325320511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23325320521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310500 + ... + 378233.

It is an arithmetic number, because the mean of its divisors is an integer number (1450473804).

Almost surely, 2^23325320511 is an apocalyptic number.

23325320511 is a deficient number, since it is larger than the sum of its proper divisors (11486050785).

23325320511 is a wasteful number, since it uses less digits than its factorization.

23325320511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688863 (or 688860 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 23325320511 its reverse (11502352332), we get a palindrome (34827672843).

The spelling of 23325320511 in words is "twenty-three billion, three hundred twenty-five million, three hundred twenty thousand, five hundred eleven".