123465500 has 24 divisors (see below), whose sum is σ = 269649744. Its totient is φ = 49386000.

The previous prime is 123465493. The next prime is 123465533. The reversal of 123465500 is 5564321.

It is a self number, because there is not a number n which added to its sum of digits gives 123465500.

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, 122966 + ... + 123965.

It is an arithmetic number, because the mean of its divisors is an integer number (11235406).

Almost surely, 2^123465500 is an apocalyptic number.

123465500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123465500 is an abundant number, since it is smaller than the sum of its proper divisors (146184244).

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

123465500 is a wasteful number, since it uses less digits than its factorization.

123465500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246950 (or 246938 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 123465500 is about 11111.5030486429. The cubic root of 123465500 is about 497.9455701978.

The spelling of 123465500 in words is "one hundred twenty-three million, four hundred sixty-five thousand, five hundred".