423279500 has 48 divisors (see below), whose sum is σ = 1056514368. Its totient is φ = 145123200.

The previous prime is 423279491. The next prime is 423279517. The reversal of 423279500 is 5972324.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56969 + ... + 63968.

It is an arithmetic number, because the mean of its divisors is an integer number (22010716).

Almost surely, 2^423279500 is an apocalyptic number.

It is an amenable number.

423279500 is an abundant number, since it is smaller than the sum of its proper divisors (633234868).

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

423279500 is a wasteful number, since it uses less digits than its factorization.

423279500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120963 (or 120951 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 423279500 is about 20573.7575566545. The cubic root of 423279500 is about 750.8313743780.

The spelling of 423279500 in words is "four hundred twenty-three million, two hundred seventy-nine thousand, five hundred".