123785896 has 16 divisors (see below), whose sum is σ = 249952500. Its totient is φ = 57131904.

The previous prime is 123785887. The next prime is 123785923. The reversal of 123785896 is 698587321.

It can be written as a sum of positive squares in 2 ways, for example, as 122544900 + 1240996 = 11070^2 + 1114^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595021 + ... + 595228.

Almost surely, 2^123785896 is an apocalyptic number.

It is an amenable number.

123785896 is an abundant number, since it is smaller than the sum of its proper divisors (126166604).

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

123785896 is a wasteful number, since it uses less digits than its factorization.

123785896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190268 (or 1190264 counting only the distinct ones).

The product of its digits is 725760, while the sum is 49.

The square root of 123785896 is about 11125.9110188784. The cubic root of 123785896 is about 498.3759251400.

The spelling of 123785896 in words is "one hundred twenty-three million, seven hundred eighty-five thousand, eight hundred ninety-six".