423289392 has 40 divisors (see below), whose sum is σ = 1157823216. Its totient is φ = 132796416.

The previous prime is 423289387. The next prime is 423289403. The reversal of 423289392 is 293982324.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258553 + ... + 260184.

Almost surely, 2^423289392 is an apocalyptic number.

It is an amenable number.

423289392 is an abundant number, since it is smaller than the sum of its proper divisors (734533824).

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

423289392 is a wasteful number, since it uses less digits than its factorization.

423289392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518765 (or 518759 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 423289392 is about 20573.9979585884. The cubic root of 423289392 is about 750.8372232840.

The spelling of 423289392 in words is "four hundred twenty-three million, two hundred eighty-nine thousand, three hundred ninety-two".