123084144 has 40 divisors (see below), whose sum is σ = 353298320. Its totient is φ = 41027904.

The previous prime is 123084127. The next prime is 123084161. The reversal of 123084144 is 441480321.

It is an interprime number because it is at equal distance from previous prime (123084127) and next prime (123084161).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142027 + ... + 142890.

It is an arithmetic number, because the mean of its divisors is an integer number (8832458).

Almost surely, 2^123084144 is an apocalyptic number.

It is an amenable number.

123084144 is an abundant number, since it is smaller than the sum of its proper divisors (230214176).

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

123084144 is a wasteful number, since it uses less digits than its factorization.

123084144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284934 (or 284922 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 123084144 is about 11094.3293623364. The cubic root of 123084144 is about 497.4323623779.

The spelling of 123084144 in words is "one hundred twenty-three million, eighty-four thousand, one hundred forty-four".