123599254240 has 360 divisors, whose sum is σ = 374574480840. Its totient is φ = 38509954560.

The previous prime is 123599254231. The next prime is 123599254291. The reversal of 123599254240 is 42452995321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 46482031 + ... + 46484689.

It is an arithmetic number, because the mean of its divisors is an integer number (1040484669).

Almost surely, 2^123599254240 is an apocalyptic number.

123599254240 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 123599254240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187287240420).

123599254240 is an abundant number, since it is smaller than the sum of its proper divisors (250975226600).

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

123599254240 is an equidigital number, since it uses as much as digits as its factorization.

123599254240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724 (or 2684 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 123599254240 in words is "one hundred twenty-three billion, five hundred ninety-nine million, two hundred fifty-four thousand, two hundred forty".