23313321311 has 16 divisors (see below), whose sum is σ = 27724114944. Its totient is φ = 19188652704.

The previous prime is 23313321281. The next prime is 23313321319. The reversal of 23313321311 is 11312331332.

It is a cyclic number.

It is not a de Polignac number, because 23313321311 - 2⁶ = 23313321247 is a prime.

It is a super-3 number, since 3×23313321311³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23313321319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651065 + ... + 685938.

It is an arithmetic number, because the mean of its divisors is an integer number (1732757184).

Almost surely, 2^23313321311 is an apocalyptic number.

23313321311 is a deficient number, since it is larger than the sum of its proper divisors (4410793633).

23313321311 is a wasteful number, since it uses less digits than its factorization.

23313321311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337110.

The product of its digits is 972, while the sum is 23.

Adding to 23313321311 its reverse (11312331332), we get a palindrome (34625652643).

The spelling of 23313321311 in words is "twenty-three billion, three hundred thirteen million, three hundred twenty-one thousand, three hundred eleven".