113623246021 has 4 divisors (see below), whose sum is σ = 113647935232. Its totient is φ = 113598556812.

The previous prime is 113623246019. The next prime is 113623246063. The reversal of 113623246021 is 120642326311.

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 not a de Polignac number, because 113623246021 - 2¹ = 113623246019 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 (113623246081) 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, 12337701 + ... + 12346906.

It is an arithmetic number, because the mean of its divisors is an integer number (28411983808).

Almost surely, 2^113623246021 is an apocalyptic number.

It is an amenable number.

113623246021 is a deficient number, since it is larger than the sum of its proper divisors (24689211).

113623246021 is an equidigital number, since it uses as much as digits as its factorization.

113623246021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24689210.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 113623246021 in words is "one hundred thirteen billion, six hundred twenty-three million, two hundred forty-six thousand, twenty-one".