23012113113218 has 16 divisors (see below), whose sum is σ = 34804706553144. Its totient is φ = 11410825595520.

The previous prime is 23012113113217. The next prime is 23012113113239. The reversal of 23012113113218 is 81231131121032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15242441880649 + 7769671232569 = 3904157^2 + 2787413^2 .

It is not an unprimeable number, because it can be changed into a prime (23012113113217) 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 7 ways as a sum of consecutive naturals, for example, 70169405 + ... + 70496592.

Almost surely, 2^{23012113113218} is an apocalyptic number.

23012113113218 is a deficient number, since it is larger than the sum of its proper divisors (11792593439926).

23012113113218 is a wasteful number, since it uses less digits than its factorization.

23012113113218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140666677.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 23012113113218 in words is "twenty-three trillion, twelve billion, one hundred thirteen million, one hundred thirteen thousand, two hundred eighteen".