113533983 has 12 divisors (see below), whose sum is σ = 164731840. Its totient is φ = 75348576.

The previous prime is 113533967. The next prime is 113534009. The reversal of 113533983 is 389335311.

It is a happy number.

113533983 is a `hidden beast` number, since 113 + 533 + 9 + 8 + 3 = 666.

It is not a de Polignac number, because 113533983 - 2⁴ = 113533967 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 (113533933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26278 + ... + 30291.

Almost surely, 2^113533983 is an apocalyptic number.

113533983 is a deficient number, since it is larger than the sum of its proper divisors (51197857).

113533983 is a wasteful number, since it uses less digits than its factorization.

113533983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56798 (or 56795 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 113533983 is about 10655.2326581826. The cubic root of 113533983 is about 484.2191466555.

The spelling of 113533983 in words is "one hundred thirteen million, five hundred thirty-three thousand, nine hundred eighty-three".