123865464 has 64 divisors (see below), whose sum is σ = 316707840. Its totient is φ = 40360320.

The previous prime is 123865463. The next prime is 123865471. The reversal of 123865464 is 464568321.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123865463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267297 + ... + 267759.

It is an arithmetic number, because the mean of its divisors is an integer number (4948560).

Almost surely, 2^123865464 is an apocalyptic number.

It is an amenable number.

123865464 is an abundant number, since it is smaller than the sum of its proper divisors (192842376).

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

123865464 is a wasteful number, since it uses less digits than its factorization.

123865464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 696 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 123865464 is about 11129.4862415118. The cubic root of 123865464 is about 498.4826855044.

The spelling of 123865464 in words is "one hundred twenty-three million, eight hundred sixty-five thousand, four hundred sixty-four".