123279952 has 20 divisors (see below), whose sum is σ = 241541460. Its totient is φ = 60946688.

The previous prime is 123279941. The next prime is 123279953. The reversal of 123279952 is 259972321.

It can be written as a sum of positive squares in 2 ways, for example, as 17272336 + 106007616 = 4156^2 + 10296^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123279953) 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, 41863 + ... + 44710.

It is an arithmetic number, because the mean of its divisors is an integer number (12077073).

Almost surely, 2^123279952 is an apocalyptic number.

It is an amenable number.

123279952 is a deficient number, since it is larger than the sum of its proper divisors (118261508).

123279952 is an equidigital number, since it uses as much as digits as its factorization.

123279952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86670 (or 86664 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 123279952 is about 11103.1505438772. The cubic root of 123279952 is about 497.6960021620.

The spelling of 123279952 in words is "one hundred twenty-three million, two hundred seventy-nine thousand, nine hundred fifty-two".