118457523 has 12 divisors (see below), whose sum is σ = 171409368. Its totient is φ = 78831360.

The previous prime is 118457509. The next prime is 118457539. The reversal of 118457523 is 325754811.

118457523 is a `hidden beast` number, since 1 + 1 + 84 + 57 + 523 = 666.

It is not a de Polignac number, because 118457523 - 2⁶ = 118457459 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (118457503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6213 + ... + 16598.

It is an arithmetic number, because the mean of its divisors is an integer number (14284114).

Almost surely, 2^118457523 is an apocalyptic number.

118457523 is a deficient number, since it is larger than the sum of its proper divisors (52951845).

118457523 is a wasteful number, since it uses less digits than its factorization.

118457523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23394 (or 23391 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 118457523 is about 10883.8193204408. The cubic root of 118457523 is about 491.1199193294.

The spelling of 118457523 in words is "one hundred eighteen million, four hundred fifty-seven thousand, five hundred twenty-three".