123630589 has 8 divisors (see below), whose sum is σ = 129678912. Its totient is φ = 117638400.

The previous prime is 123630583. The next prime is 123630599. The reversal of 123630589 is 985036321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123630589 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123630583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9487 + ... + 18364.

It is an arithmetic number, because the mean of its divisors is an integer number (16209864).

Almost surely, 2^123630589 is an apocalyptic number.

It is an amenable number.

123630589 is a deficient number, since it is larger than the sum of its proper divisors (6048323).

123630589 is a wasteful number, since it uses less digits than its factorization.

123630589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28067.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 123630589 is about 11118.9293099651. The cubic root of 123630589 is about 498.1674101013.

The spelling of 123630589 in words is "one hundred twenty-three million, six hundred thirty thousand, five hundred eighty-nine".