123582380 has 24 divisors (see below), whose sum is σ = 259732032. Its totient is φ = 49393152.

The previous prime is 123582373. The next prime is 123582391. The reversal of 123582380 is 83285321.

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, 46364 + ... + 48956.

It is an arithmetic number, because the mean of its divisors is an integer number (10822168).

Almost surely, 2^123582380 is an apocalyptic number.

123582380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123582380 is an abundant number, since it is smaller than the sum of its proper divisors (136149652).

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

123582380 is a wasteful number, since it uses less digits than its factorization.

123582380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985 (or 4983 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 123582380 is about 11116.7612189882. The cubic root of 123582380 is about 498.1026492272.

The spelling of 123582380 in words is "one hundred twenty-three million, five hundred eighty-two thousand, three hundred eighty".