118672923 has 4 divisors (see below), whose sum is σ = 158230568. Its totient is φ = 79115280.

The previous prime is 118672921. The next prime is 118672963. The reversal of 118672923 is 329276811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 329276811 = 3 ⋅109758937.

It is not a de Polignac number, because 118672923 - 2¹ = 118672921 is a prime.

It is a super-3 number, since 3×118672923³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118672921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19778818 + ... + 19778823.

It is an arithmetic number, because the mean of its divisors is an integer number (39557642).

Almost surely, 2^118672923 is an apocalyptic number.

118672923 is a deficient number, since it is larger than the sum of its proper divisors (39557645).

118672923 is an equidigital number, since it uses as much as digits as its factorization.

118672923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39557644.

The product of its digits is 36288, while the sum is 39.

The square root of 118672923 is about 10893.7102494972. The cubic root of 118672923 is about 491.4174188674.

The spelling of 118672923 in words is "one hundred eighteen million, six hundred seventy-two thousand, nine hundred twenty-three".