113643156623 has 4 divisors (see below), whose sum is σ = 115569311880. Its totient is φ = 111717001368.

The previous prime is 113643156577. The next prime is 113643156637. The reversal of 113643156623 is 326651346311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326651346311 = 757 ⋅431507723.

It is a cyclic number.

It is not a de Polignac number, because 113643156623 - 2⁶ = 113643156559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113643156643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963077540 + ... + 963077657.

It is an arithmetic number, because the mean of its divisors is an integer number (28892327970).

Almost surely, 2^113643156623 is an apocalyptic number.

113643156623 is a deficient number, since it is larger than the sum of its proper divisors (1926155257).

113643156623 is an equidigital number, since it uses as much as digits as its factorization.

113643156623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926155256.

The product of its digits is 233280, while the sum is 41.

The spelling of 113643156623 in words is "one hundred thirteen billion, six hundred forty-three million, one hundred fifty-six thousand, six hundred twenty-three".