123302401225520 has 40 divisors (see below), whose sum is σ = 312739726746960. Its totient is φ = 44837236808960.

The previous prime is 123302401225499. The next prime is 123302401225529. The reversal of 123302401225520 is 25522104203321.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (123302401225529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70058181635 + ... + 70058183394.

It is an arithmetic number, because the mean of its divisors is an integer number (7818493168674).

Almost surely, 2^{123302401225520} is an apocalyptic number.

123302401225520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123302401225520 is an abundant number, since it is smaller than the sum of its proper divisors (189437325521440).

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

123302401225520 is a wasteful number, since it uses less digits than its factorization.

123302401225520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140116365053 (or 140116365047 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 123302401225520 its reverse (25522104203321), we get a palindrome (148824505428841).

The spelling of 123302401225520 in words is "one hundred twenty-three trillion, three hundred two billion, four hundred one million, two hundred twenty-five thousand, five hundred twenty".