123575450752 has 32 divisors (see below), whose sum is σ = 265122815580. Its totient is φ = 57034822656.

The previous prime is 123575450749. The next prime is 123575450773. The reversal of 123575450752 is 257054575321.

It can be written as a sum of positive squares in 2 ways, for example, as 109391593536 + 14183857216 = 330744^2 + 119096^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37130383 + ... + 37133710.

Almost surely, 2^123575450752 is an apocalyptic number.

It is an amenable number.

123575450752 is an abundant number, since it is smaller than the sum of its proper divisors (141547364828).

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

123575450752 is an equidigital number, since it uses as much as digits as its factorization.

123575450752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74264120 (or 74264108 counting only the distinct ones).

The product of its (nonzero) digits is 1470000, while the sum is 46.

The spelling of 123575450752 in words is "one hundred twenty-three billion, five hundred seventy-five million, four hundred fifty thousand, seven hundred fifty-two".