123196688 has 30 divisors (see below), whose sum is σ = 253110474. Its totient is φ = 57888768.

The previous prime is 123196681. The next prime is 123196691. The reversal of 123196688 is 886691321.

It can be written as a sum of positive squares in 3 ways, for example, as 15618304 + 107578384 = 3952^2 + 10372^2 .

It is not an unprimeable number, because it can be changed into a prime (123196681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182720 + ... + 183392.

Almost surely, 2^123196688 is an apocalyptic number.

It is an amenable number.

123196688 is an abundant number, since it is smaller than the sum of its proper divisors (129913786).

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

123196688 is an frugal number, since it uses more digits than its factorization.

123196688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371 (or 692 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 123196688 is about 11099.4003441627. The cubic root of 123196688 is about 497.5839279969.

The spelling of 123196688 in words is "one hundred twenty-three million, one hundred ninety-six thousand, six hundred eighty-eight".