423559398 has 16 divisors (see below), whose sum is σ = 883950336. Its totient is φ = 135047880.

The previous prime is 423559363. The next prime is 423559399. The reversal of 423559398 is 893955324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423559399) 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, 1534498 + ... + 1534773.

It is an arithmetic number, because the mean of its divisors is an integer number (55246896).

Almost surely, 2^423559398 is an apocalyptic number.

423559398 is an abundant number, since it is smaller than the sum of its proper divisors (460390938).

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

423559398 is a wasteful number, since it uses less digits than its factorization.

423559398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069299.

The product of its digits is 1166400, while the sum is 48.

The square root of 423559398 is about 20580.5587387709. The cubic root of 423559398 is about 750.9968362807.

The spelling of 423559398 in words is "four hundred twenty-three million, five hundred fifty-nine thousand, three hundred ninety-eight".