123495864 has 16 divisors (see below), whose sum is σ = 308739720. Its totient is φ = 41165280.

The previous prime is 123495863. The next prime is 123495917. The reversal of 123495864 is 468594321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123495863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2572807 + ... + 2572854.

Almost surely, 2^123495864 is an apocalyptic number.

It is an amenable number.

123495864 is an abundant number, since it is smaller than the sum of its proper divisors (185243856).

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

123495864 is a wasteful number, since it uses less digits than its factorization.

123495864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5145670 (or 5145666 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 123495864 is about 11112.8692964508. The cubic root of 123495864 is about 497.9863869442.

The spelling of 123495864 in words is "one hundred twenty-three million, four hundred ninety-five thousand, eight hundred sixty-four".