123328500 has 48 divisors (see below), whose sum is σ = 359136960. Its totient is φ = 32887200.

The previous prime is 123328483. The next prime is 123328529. The reversal of 123328500 is 5823321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39610 + ... + 42609.

It is an arithmetic number, because the mean of its divisors is an integer number (7482020).

Almost surely, 2^123328500 is an apocalyptic number.

123328500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123328500 is an abundant number, since it is smaller than the sum of its proper divisors (235808460).

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

123328500 is a wasteful number, since it uses less digits than its factorization.

123328500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82241 (or 82229 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 123328500 is about 11105.3365550081. The cubic root of 123328500 is about 497.7613249608.

The spelling of 123328500 in words is "one hundred twenty-three million, three hundred twenty-eight thousand, five hundred".