123056500 has 48 divisors (see below), whose sum is σ = 307157760. Its totient is φ = 42189600.

The previous prime is 123056491. The next prime is 123056501. The reversal of 123056500 is 5650321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123056501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14080 + ... + 21079.

It is an arithmetic number, because the mean of its divisors is an integer number (6399120).

Almost surely, 2^123056500 is an apocalyptic number.

123056500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123056500 is an abundant number, since it is smaller than the sum of its proper divisors (184101260).

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

123056500 is a wasteful number, since it uses less digits than its factorization.

123056500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35185 (or 35173 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 123056500 is about 11093.0834306788. The cubic root of 123056500 is about 497.3951194280.

The spelling of 123056500 in words is "one hundred twenty-three million, fifty-six thousand, five hundred".