123593920 has 56 divisors (see below), whose sum is σ = 298094400. Its totient is φ = 48801792.

The previous prime is 123593909. The next prime is 123593971. The reversal of 123593920 is 29395321.

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, 22836 + ... + 27724.

Almost surely, 2^123593920 is an apocalyptic number.

123593920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123593920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149047200).

123593920 is an abundant number, since it is smaller than the sum of its proper divisors (174500480).

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

123593920 is an equidigital number, since it uses as much as digits as its factorization.

123593920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985 (or 4975 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 123593920 is about 11117.2802429371. The cubic root of 123593920 is about 498.1181528550.

The spelling of 123593920 in words is "one hundred twenty-three million, five hundred ninety-three thousand, nine hundred twenty".