123889713 has 16 divisors (see below), whose sum is σ = 167270400. Its totient is φ = 81557840.

The previous prime is 123889681. The next prime is 123889729. The reversal of 123889713 is 317988321.

It is a cyclic number.

It is not a de Polignac number, because 123889713 - 2⁵ = 123889681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123889763) 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, 93268 + ... + 94586.

It is an arithmetic number, because the mean of its divisors is an integer number (10454400).

Almost surely, 2^123889713 is an apocalyptic number.

It is an amenable number.

123889713 is a deficient number, since it is larger than the sum of its proper divisors (43380687).

123889713 is a wasteful number, since it uses less digits than its factorization.

123889713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692.

The product of its digits is 72576, while the sum is 42.

The square root of 123889713 is about 11130.5755915855. The cubic root of 123889713 is about 498.5152125100.

It can be divided in two parts, 1238 and 89713, that added together give a triangular number (90951 = T₄₂₆).

The spelling of 123889713 in words is "one hundred twenty-three million, eight hundred eighty-nine thousand, seven hundred thirteen".