123314240 has 56 divisors (see below), whose sum is σ = 335596992. Its totient is φ = 42278400.

The previous prime is 123314203. The next prime is 123314251. The reversal of 123314240 is 42413321.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25286 + ... + 29765.

Almost surely, 2^123314240 is an apocalyptic number.

123314240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123314240 is an abundant number, since it is smaller than the sum of its proper divisors (212282752).

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

123314240 is an equidigital number, since it uses as much as digits as its factorization.

123314240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55075 (or 55065 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 123314240 is about 11104.6945027767. The cubic root of 123314240 is about 497.7421394790.

Adding to 123314240 its reverse (42413321), we get a palindrome (165727561).

The spelling of 123314240 in words is "one hundred twenty-three million, three hundred fourteen thousand, two hundred forty".