118540723 has 16 divisors (see below), whose sum is σ = 139138560. Its totient is φ = 98876736.

The previous prime is 118540691. The next prime is 118540727. The reversal of 118540723 is 327045811.

It is not a de Polignac number, because 118540723 - 2⁵ = 118540691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118540727) 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 15 ways as a sum of consecutive naturals, for example, 107511 + ... + 108607.

It is an arithmetic number, because the mean of its divisors is an integer number (8696160).

Almost surely, 2^118540723 is an apocalyptic number.

118540723 is a deficient number, since it is larger than the sum of its proper divisors (20597837).

118540723 is a wasteful number, since it uses less digits than its factorization.

118540723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 118540723 is about 10887.6408372062. The cubic root of 118540723 is about 491.2348736567.

The spelling of 118540723 in words is "one hundred eighteen million, five hundred forty thousand, seven hundred twenty-three".