23321013311 has 4 divisors (see below), whose sum is σ = 23323057824. Its totient is φ = 23318968800.

The previous prime is 23321013301. The next prime is 23321013319. The reversal of 23321013311 is 11331012332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23321013311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23321013319) 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 3 ways as a sum of consecutive naturals, for example, 1005050 + ... + 1027991.

It is an arithmetic number, because the mean of its divisors is an integer number (5830764456).

Almost surely, 2^23321013311 is an apocalyptic number.

23321013311 is a deficient number, since it is larger than the sum of its proper divisors (2044513).

23321013311 is a wasteful number, since it uses less digits than its factorization.

23321013311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044512.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23321013311 its reverse (11331012332), we get a palindrome (34652025643).

The spelling of 23321013311 in words is "twenty-three billion, three hundred twenty-one million, thirteen thousand, three hundred eleven".