123342080 has 72 divisors (see below), whose sum is σ = 297684072. Its totient is φ = 48963584.

The previous prime is 123342073. The next prime is 123342097. The reversal of 123342080 is 80243321.

It can be written as a sum of positive squares in 4 ways, for example, as 12166144 + 111175936 = 3488^2 + 10544^2 .

It is a congruent number.

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, 221162 + ... + 221718.

It is an arithmetic number, because the mean of its divisors is an integer number (4134501).

Almost surely, 2^123342080 is an apocalyptic number.

123342080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123342080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148842036).

123342080 is an abundant number, since it is smaller than the sum of its proper divisors (174341992).

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

123342080 is an equidigital number, since it uses as much as digits as its factorization.

123342080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 123342080 is about 11105.9479559378. The cubic root of 123342080 is about 497.7795941922.

The spelling of 123342080 in words is "one hundred twenty-three million, three hundred forty-two thousand, eighty".