421523080 has 32 divisors (see below), whose sum is σ = 1034648640. Its totient is φ = 153280960.

The previous prime is 421523077. The next prime is 421523099. The reversal of 421523080 is 80325124.

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, 478564 + ... + 479443.

It is an arithmetic number, because the mean of its divisors is an integer number (32332770).

Almost surely, 2^421523080 is an apocalyptic number.

421523080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421523080 is an abundant number, since it is smaller than the sum of its proper divisors (613125560).

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

421523080 is a wasteful number, since it uses less digits than its factorization.

421523080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958029 (or 958025 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 421523080 is about 20531.0272514553. The cubic root of 421523080 is about 749.7913967998.

The spelling of 421523080 in words is "four hundred twenty-one million, five hundred twenty-three thousand, eighty".