23312011331011 has 4 divisors (see below), whose sum is σ = 25105242971872. Its totient is φ = 21518779690152.

The previous prime is 23312011330999. The next prime is 23312011331047. The reversal of 23312011331011 is 11013311021332.

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

It is a cyclic number.

It is not a de Polignac number, because 23312011331011 - 2²¹ = 23312009233859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23312011331051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896615820411 + ... + 896615820436.

It is an arithmetic number, because the mean of its divisors is an integer number (6276310742968).

Almost surely, 2^{23312011331011} is an apocalyptic number.

23312011331011 is a deficient number, since it is larger than the sum of its proper divisors (1793231640861).

23312011331011 is a wasteful number, since it uses less digits than its factorization.

23312011331011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793231640860.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 23312011331011 its reverse (11013311021332), we get a palindrome (34325322352343).

The spelling of 23312011331011 in words is "twenty-three trillion, three hundred twelve billion, eleven million, three hundred thirty-one thousand, eleven".