123459225580 has 24 divisors (see below), whose sum is σ = 260621786880. Its totient is φ = 49125135360.

The previous prime is 123459225577. The next prime is 123459225581. The reversal of 123459225580 is 85522954321.

It is a self number, because there is not a number n which added to its sum of digits gives 123459225580.

It is not an unprimeable number, because it can be changed into a prime (123459225581) 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, 16155765 + ... + 16163404.

It is an arithmetic number, because the mean of its divisors is an integer number (10859241120).

Almost surely, 2^123459225580 is an apocalyptic number.

123459225580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123459225580 is an abundant number, since it is smaller than the sum of its proper divisors (137162561300).

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

123459225580 is a wasteful number, since it uses less digits than its factorization.

123459225580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32319369 (or 32319367 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 123459225580 in words is "one hundred twenty-three billion, four hundred fifty-nine million, two hundred twenty-five thousand, five hundred eighty".