113123320023 has 16 divisors (see below), whose sum is σ = 172390190336. Its totient is φ = 64637472960.

The previous prime is 113123320021. The next prime is 113123320081. The reversal of 113123320023 is 320023321311.

It is not a de Polignac number, because 113123320023 - 2¹ = 113123320021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113123320021) 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, 143340 + ... + 496782.

It is an arithmetic number, because the mean of its divisors is an integer number (10774386896).

Almost surely, 2^113123320023 is an apocalyptic number.

113123320023 is a deficient number, since it is larger than the sum of its proper divisors (59266870313).

113123320023 is a wasteful number, since it uses less digits than its factorization.

113123320023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368694.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 113123320023 its reverse (320023321311), we get a palindrome (433146641334).

The spelling of 113123320023 in words is "one hundred thirteen billion, one hundred twenty-three million, three hundred twenty thousand, twenty-three".