123023916 has 36 divisors (see below), whose sum is σ = 321703200. Its totient is φ = 39593568.

The previous prime is 123023911. The next prime is 123023963. The reversal of 123023916 is 619320321.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 123023916.

It is not an unprimeable number, because it can be changed into a prime (123023911) 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 11 ways as a sum of consecutive naturals, for example, 57876 + ... + 59963.

It is an arithmetic number, because the mean of its divisors is an integer number (8936200).

Almost surely, 2^123023916 is an apocalyptic number.

It is an amenable number.

123023916 is an abundant number, since it is smaller than the sum of its proper divisors (198679284).

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

123023916 is a wasteful number, since it uses less digits than its factorization.

123023916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117878 (or 117873 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 123023916 is about 11091.6146705518. The cubic root of 123023916 is about 497.3512139773.

The spelling of 123023916 in words is "one hundred twenty-three million, twenty-three thousand, nine hundred sixteen".