123897964 has 24 divisors (see below), whose sum is σ = 231517440. Its totient is φ = 57875664.

The previous prime is 123897923. The next prime is 123897967. The reversal of 123897964 is 469798321.

It is not an unprimeable number, because it can be changed into a prime (123897967) 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, 11704 + ... + 19615.

It is an arithmetic number, because the mean of its divisors is an integer number (9646560).

Almost surely, 2^123897964 is an apocalyptic number.

It is an amenable number.

123897964 is a deficient number, since it is larger than the sum of its proper divisors (107619476).

123897964 is a wasteful number, since it uses less digits than its factorization.

123897964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31389 (or 31387 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 123897964 is about 11130.9462311162. The cubic root of 123897964 is about 498.5262792284.

The spelling of 123897964 in words is "one hundred twenty-three million, eight hundred ninety-seven thousand, nine hundred sixty-four".