113923971 has 18 divisors (see below), whose sum is σ = 191424012. Its totient is φ = 65099160.

The previous prime is 113923969. The next prime is 113923993. The reversal of 113923971 is 179329311.

It is a happy number.

It is not a de Polignac number, because 113923971 - 2¹ = 113923969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113923951) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 128725 + ... + 129606.

Almost surely, 2^113923971 is an apocalyptic number.

113923971 is a deficient number, since it is larger than the sum of its proper divisors (77500041).

113923971 is a wasteful number, since it uses less digits than its factorization.

113923971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258351 (or 258341 counting only the distinct ones).

The product of its digits is 10206, while the sum is 36.

The square root of 113923971 is about 10673.5172740761. The cubic root of 113923971 is about 484.7729422168.

The spelling of 113923971 in words is "one hundred thirteen million, nine hundred twenty-three thousand, nine hundred seventy-one".