23311134403111 has 16 divisors (see below), whose sum is σ = 25160169479328. Its totient is φ = 21515585228800.

The previous prime is 23311134403099. The next prime is 23311134403157. The reversal of 23311134403111 is 11130443111332.

It is a cyclic number.

It is not a de Polignac number, because 23311134403111 - 2³³ = 23302544468519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23311134403111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311134400111) 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, 4341385 + ... + 8091346.

It is an arithmetic number, because the mean of its divisors is an integer number (1572510592458).

Almost surely, 2^{23311134403111} is an apocalyptic number.

23311134403111 is a deficient number, since it is larger than the sum of its proper divisors (1849035076217).

23311134403111 is a wasteful number, since it uses less digits than its factorization.

23311134403111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12434882.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 23311134403111 its reverse (11130443111332), we get a palindrome (34441577514443).

The spelling of 23311134403111 in words is "twenty-three trillion, three hundred eleven billion, one hundred thirty-four million, four hundred three thousand, one hundred eleven".