113723454973 has 4 divisors (see below), whose sum is σ = 116368186528. Its totient is φ = 111078723420.

The previous prime is 113723454947. The next prime is 113723454979. The reversal of 113723454973 is 379454327311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113723454973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113723454979) 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 3 ways as a sum of consecutive naturals, for example, 1322365713 + ... + 1322365798.

It is an arithmetic number, because the mean of its divisors is an integer number (29092046632).

Almost surely, 2^113723454973 is an apocalyptic number.

It is an amenable number.

113723454973 is a deficient number, since it is larger than the sum of its proper divisors (2644731555).

113723454973 is an equidigital number, since it uses as much as digits as its factorization.

113723454973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644731554.

The product of its digits is 1905120, while the sum is 49.

The spelling of 113723454973 in words is "one hundred thirteen billion, seven hundred twenty-three million, four hundred fifty-four thousand, nine hundred seventy-three".