123899676 has 24 divisors (see below), whose sum is σ = 291379200. Its totient is φ = 40974192.

The previous prime is 123899617. The next prime is 123899701. The reversal of 123899676 is 676998321.

It is a super-2 number, since 2×123899676² = 30702259425809952, which contains 22 as substring.

It is a congruent 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, 39126 + ... + 42173.

It is an arithmetic number, because the mean of its divisors is an integer number (12140800).

Almost surely, 2^123899676 is an apocalyptic number.

It is an amenable number.

123899676 is an abundant number, since it is smaller than the sum of its proper divisors (167479524).

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

123899676 is a wasteful number, since it uses less digits than its factorization.

123899676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81433 (or 81431 counting only the distinct ones).

The product of its digits is 979776, while the sum is 51.

The square root of 123899676 is about 11131.0231335668. The cubic root of 123899676 is about 498.5285754003.

The spelling of 123899676 in words is "one hundred twenty-three million, eight hundred ninety-nine thousand, six hundred seventy-six".