423523398 has 16 divisors (see below), whose sum is σ = 847958256. Its totient is φ = 141022560.

The previous prime is 423523313. The next prime is 423523421. The reversal of 423523398 is 893325324.

It is a congruent number.

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, 31861 + ... + 43152.

It is an arithmetic number, because the mean of its divisors is an integer number (52997391).

Almost surely, 2^423523398 is an apocalyptic number.

423523398 is an abundant number, since it is smaller than the sum of its proper divisors (424434858).

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

423523398 is a wasteful number, since it uses less digits than its factorization.

423523398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75959.

The product of its digits is 155520, while the sum is 39.

The square root of 423523398 is about 20579.6841083628. The cubic root of 423523398 is about 750.9755589406.

The spelling of 423523398 in words is "four hundred twenty-three million, five hundred twenty-three thousand, three hundred ninety-eight".