128523072260 has 24 divisors (see below), whose sum is σ = 294434675136. Its totient is φ = 46735662560.

The previous prime is 128523072259. The next prime is 128523072283. The reversal of 128523072260 is 62270325821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292097672 + ... + 292098111.

It is an arithmetic number, because the mean of its divisors is an integer number (12268111464).

Almost surely, 2^128523072260 is an apocalyptic number.

128523072260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128523072260 is an abundant number, since it is smaller than the sum of its proper divisors (165911602876).

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

128523072260 is a wasteful number, since it uses less digits than its factorization.

128523072260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584195803 (or 584195801 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 128523072260 in words is "one hundred twenty-eight billion, five hundred twenty-three million, seventy-two thousand, two hundred sixty".