23311121323 has 16 divisors (see below), whose sum is σ = 26784838080. Its totient is φ = 19873483776.

The previous prime is 23311121297. The next prime is 23311121333. The reversal of 23311121323 is 32312111332.

It is a cyclic number.

It is not a de Polignac number, because 23311121323 - 2⁵ = 23311121291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23311121294 and 23311121303.

It is not an unprimeable number, because it can be changed into a prime (23311121333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1586173 + ... + 1600801.

It is an arithmetic number, because the mean of its divisors is an integer number (1674052380).

Almost surely, 2^23311121323 is an apocalyptic number.

23311121323 is a deficient number, since it is larger than the sum of its proper divisors (3473716757).

23311121323 is a wasteful number, since it uses less digits than its factorization.

23311121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15846.

The product of its digits is 648, while the sum is 22.

Adding to 23311121323 its reverse (32312111332), we get a palindrome (55623232655).

Subtracting 23311121323 from its reverse (32312111332), we obtain a palindrome (9000990009).

The spelling of 23311121323 in words is "twenty-three billion, three hundred eleven million, one hundred twenty-one thousand, three hundred twenty-three".