423972192 has 48 divisors (see below), whose sum is σ = 1271918592. Its totient is φ = 121134720.

The previous prime is 423972187. The next prime is 423972193. The reversal of 423972192 is 291279324.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 423972192.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423972193) 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, 314784 + ... + 316127.

It is an arithmetic number, because the mean of its divisors is an integer number (26498304).

Almost surely, 2^423972192 is an apocalyptic number.

423972192 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

423972192 is an abundant number, since it is smaller than the sum of its proper divisors (847946400).

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

423972192 is a wasteful number, since it uses less digits than its factorization.

423972192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630931 (or 630923 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 423972192 is about 20590.5850329708. The cubic root of 423972192 is about 751.2407267754.

The spelling of 423972192 in words is "four hundred twenty-three million, nine hundred seventy-two thousand, one hundred ninety-two".