118923523 has 4 divisors (see below), whose sum is σ = 119711248. Its totient is φ = 118135800.

The previous prime is 118923499. The next prime is 118923529. The reversal of 118923523 is 325329811.

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 118923523 - 2⁹ = 118923011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118923529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393636 + ... + 393937.

It is an arithmetic number, because the mean of its divisors is an integer number (29927812).

Almost surely, 2^118923523 is an apocalyptic number.

118923523 is a deficient number, since it is larger than the sum of its proper divisors (787725).

118923523 is an equidigital number, since it uses as much as digits as its factorization.

118923523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787724.

The product of its digits is 12960, while the sum is 34.

The square root of 118923523 is about 10905.2062337216. The cubic root of 118923523 is about 491.7630821674.

The spelling of 118923523 in words is "one hundred eighteen million, nine hundred twenty-three thousand, five hundred twenty-three".