23011131223311 has 32 divisors (see below), whose sum is σ = 38254923399168. Its totient is φ = 11953005241440.

The previous prime is 23011131223307. The next prime is 23011131223393. The reversal of 23011131223311 is 11332213111032.

It is not a de Polignac number, because 23011131223311 - 2² = 23011131223307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23011131223111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110355 + ... + 6784868.

It is an arithmetic number, because the mean of its divisors is an integer number (1195466356224).

Almost surely, 2^{23011131223311} is an apocalyptic number.

23011131223311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23011131223311 is a deficient number, since it is larger than the sum of its proper divisors (15243792175857).

23011131223311 is a wasteful number, since it uses less digits than its factorization.

23011131223311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6909691.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 23011131223311 its reverse (11332213111032), we get a palindrome (34343344334343).

The spelling of 23011131223311 in words is "twenty-three trillion, eleven billion, one hundred thirty-one million, two hundred twenty-three thousand, three hundred eleven".