123398248180 has 96 divisors (see below), whose sum is σ = 264592500480. Its totient is φ = 48334095360.

The previous prime is 123398248157. The next prime is 123398248187. The reversal of 123398248180 is 81842893321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123398248187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78546795 + ... + 78548365.

It is an arithmetic number, because the mean of its divisors is an integer number (2756171880).

Almost surely, 2^123398248180 is an apocalyptic number.

123398248180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123398248180 is an abundant number, since it is smaller than the sum of its proper divisors (141194252300).

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

123398248180 is a wasteful number, since it uses less digits than its factorization.

123398248180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089 (or 2087 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 123398248180 in words is "one hundred twenty-three billion, three hundred ninety-eight million, two hundred forty-eight thousand, one hundred eighty".