123699016 has 32 divisors (see below), whose sum is σ = 267171840. Its totient is φ = 52593408.

The previous prime is 123698999. The next prime is 123699031. The reversal of 123699016 is 610996321.

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, 1585 + ... + 15808.

It is an arithmetic number, because the mean of its divisors is an integer number (8349120).

Almost surely, 2^123699016 is an apocalyptic number.

It is an amenable number.

123699016 is an abundant number, since it is smaller than the sum of its proper divisors (143472824).

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

123699016 is a wasteful number, since it uses less digits than its factorization.

123699016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17533 (or 17529 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 123699016 is about 11122.0059341829. The cubic root of 123699016 is about 498.2593016376.

The spelling of 123699016 in words is "one hundred twenty-three million, six hundred ninety-nine thousand, sixteen".