123857896 has 32 divisors (see below), whose sum is σ = 241516800. Its totient is φ = 59483520.

The previous prime is 123857891. The next prime is 123857897. The reversal of 123857896 is 698758321.

It is not an unprimeable number, because it can be changed into a prime (123857891) 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, 32676 + ... + 36268.

It is an arithmetic number, because the mean of its divisors is an integer number (7547400).

Almost surely, 2^123857896 is an apocalyptic number.

It is an amenable number.

123857896 is a deficient number, since it is larger than the sum of its proper divisors (117658904).

123857896 is a wasteful number, since it uses less digits than its factorization.

123857896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769 (or 3765 counting only the distinct ones).

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

The square root of 123857896 is about 11129.1462385935. The cubic root of 123857896 is about 498.4725331082.

The spelling of 123857896 in words is "one hundred twenty-three million, eight hundred fifty-seven thousand, eight hundred ninety-six".