23112131122213 has 16 divisors (see below), whose sum is σ = 27653900158080. Its totient is φ = 18896831747136.

The previous prime is 23112131122211. The next prime is 23112131122231. The reversal of 23112131122213 is 31222113121132.

It is not a de Polignac number, because 23112131122213 - 2¹ = 23112131122211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112131122211) 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, 685843770 + ... + 685877467.

It is an arithmetic number, because the mean of its divisors is an integer number (1728368759880).

Almost surely, 2^{23112131122213} is an apocalyptic number.

It is an amenable number.

23112131122213 is a deficient number, since it is larger than the sum of its proper divisors (4541769035867).

23112131122213 is a wasteful number, since it uses less digits than its factorization.

23112131122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371721356.

The product of its digits is 864, while the sum is 25.

Adding to 23112131122213 its reverse (31222113121132), we get a palindrome (54334244243345).

The spelling of 23112131122213 in words is "twenty-three trillion, one hundred twelve billion, one hundred thirty-one million, one hundred twenty-two thousand, two hundred thirteen".