423920322 has 48 divisors (see below), whose sum is σ = 1078089792. Its totient is φ = 117845280.

The previous prime is 423920309. The next prime is 423920327. The reversal of 423920322 is 223029324.

It is not an unprimeable number, because it can be changed into a prime (423920327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40804 + ... + 50127.

It is an arithmetic number, because the mean of its divisors is an integer number (22460204).

Almost surely, 2^423920322 is an apocalyptic number.

423920322 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

423920322 is an abundant number, since it is smaller than the sum of its proper divisors (654169470).

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

423920322 is a wasteful number, since it uses less digits than its factorization.

423920322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90983 (or 90980 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 423920322 is about 20589.3254381973. The cubic root of 423920322 is about 751.2100891955.

Adding to 423920322 its reverse (223029324), we get a palindrome (646949646).

The spelling of 423920322 in words is "four hundred twenty-three million, nine hundred twenty thousand, three hundred twenty-two".