123823164 has 24 divisors (see below), whose sum is σ = 296730448. Its totient is φ = 40158720.

The previous prime is 123823081. The next prime is 123823213. The reversal of 123823164 is 461328321.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 138997 + ... + 139884.

Almost surely, 2^123823164 is an apocalyptic number.

It is an amenable number.

123823164 is an abundant number, since it is smaller than the sum of its proper divisors (172907284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123823164 is a wasteful number, since it uses less digits than its factorization.

123823164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278925 (or 278923 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 123823164 is about 11127.5857219794. The cubic root of 123823164 is about 498.4259351732.

The spelling of 123823164 in words is "one hundred twenty-three million, eight hundred twenty-three thousand, one hundred sixty-four".