123570727980 has 96 divisors (see below), whose sum is σ = 404622349824. Its totient is φ = 27587879424.

The previous prime is 123570727963. The next prime is 123570727991. The reversal of 123570727980 is 89727075321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3403057 + ... + 3439176.

It is an arithmetic number, because the mean of its divisors is an integer number (4214816144).

Almost surely, 2^123570727980 is an apocalyptic number.

123570727980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123570727980 is an abundant number, since it is smaller than the sum of its proper divisors (281051621844).

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

123570727980 is a wasteful number, since it uses less digits than its factorization.

123570727980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6842295 (or 6842293 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 51.

The spelling of 123570727980 in words is "one hundred twenty-three billion, five hundred seventy million, seven hundred twenty-seven thousand, nine hundred eighty".