423413988 has 24 divisors (see below), whose sum is σ = 997032960. Its totient is φ = 139842720.

The previous prime is 423413987. The next prime is 423413989. The reversal of 423413988 is 889314324.

It is an interprime number because it is at equal distance from previous prime (423413987) and next prime (423413989).

It is not an unprimeable number, because it can be changed into a prime (423413983) 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, 160548 + ... + 163163.

It is an arithmetic number, because the mean of its divisors is an integer number (41543040).

Almost surely, 2^423413988 is an apocalyptic number.

It is an amenable number.

423413988 is an abundant number, since it is smaller than the sum of its proper divisors (573618972).

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

423413988 is a wasteful number, since it uses less digits than its factorization.

423413988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323827 (or 323825 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 423413988 is about 20577.0257325980. The cubic root of 423413988 is about 750.9108861562.

The spelling of 423413988 in words is "four hundred twenty-three million, four hundred thirteen thousand, nine hundred eighty-eight".