123396460 has 24 divisors (see below), whose sum is σ = 282690576. Its totient is φ = 44871360.

The previous prime is 123396457. The next prime is 123396491. The reversal of 123396460 is 64693321.

It is a happy 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, 280227 + ... + 280666.

It is an arithmetic number, because the mean of its divisors is an integer number (11778774).

Almost surely, 2^123396460 is an apocalyptic number.

123396460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123396460 is an abundant number, since it is smaller than the sum of its proper divisors (159294116).

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

123396460 is a wasteful number, since it uses less digits than its factorization.

123396460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560913 (or 560911 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 123396460 is about 11108.3959238047. The cubic root of 123396460 is about 497.8527384025.

The spelling of 123396460 in words is "one hundred twenty-three million, three hundred ninety-six thousand, four hundred sixty".