123582489 has 16 divisors (see below), whose sum is σ = 167283264. Its totient is φ = 81144000.

The previous prime is 123582457. The next prime is 123582493. The reversal of 123582489 is 984285321.

It is not a de Polignac number, because 123582489 - 2⁵ = 123582457 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123582489.

It is not an unprimeable number, because it can be changed into a prime (123582449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62967 + ... + 64899.

It is an arithmetic number, because the mean of its divisors is an integer number (10455204).

Almost surely, 2^123582489 is an apocalyptic number.

It is an amenable number.

123582489 is a deficient number, since it is larger than the sum of its proper divisors (43700775).

123582489 is a wasteful number, since it uses less digits than its factorization.

123582489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248.

The product of its digits is 138240, while the sum is 42.

The square root of 123582489 is about 11116.7661214941. The cubic root of 123582489 is about 498.1027956698.

The spelling of 123582489 in words is "one hundred twenty-three million, five hundred eighty-two thousand, four hundred eighty-nine".