423604392 has 128 divisors (see below), whose sum is σ = 1168128000. Its totient is φ = 127491840.

The previous prime is 423604387. The next prime is 423604393. The reversal of 423604392 is 293406324.

It is not an unprimeable number, because it can be changed into a prime (423604393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1361917 + ... + 1362227.

It is an arithmetic number, because the mean of its divisors is an integer number (9126000).

Almost surely, 2^423604392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423604392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584064000).

423604392 is an abundant number, since it is smaller than the sum of its proper divisors (744523608).

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

423604392 is a wasteful number, since it uses less digits than its factorization.

423604392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 423604392 is about 20581.6518287527. The cubic root of 423604392 is about 751.0234277146.

The spelling of 423604392 in words is "four hundred twenty-three million, six hundred four thousand, three hundred ninety-two".