113021843 has 4 divisors (see below), whose sum is σ = 123296568. Its totient is φ = 102747120.

The previous prime is 113021827. The next prime is 113021863. The reversal of 113021843 is 348120311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113021843 - 2⁴ = 113021827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113021863) 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, 5137346 + ... + 5137367.

It is an arithmetic number, because the mean of its divisors is an integer number (30824142).

Almost surely, 2^113021843 is an apocalyptic number.

113021843 is a deficient number, since it is larger than the sum of its proper divisors (10274725).

113021843 is a wasteful number, since it uses less digits than its factorization.

113021843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10274724.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 113021843 is about 10631.1731713861. The cubic root of 113021843 is about 483.4899617097.

The spelling of 113021843 in words is "one hundred thirteen million, twenty-one thousand, eight hundred forty-three".