422431323 has 16 divisors (see below), whose sum is σ = 578340000. Its totient is φ = 274104320.

The previous prime is 422431267. The next prime is 422431367. The reversal of 422431323 is 323134224.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422431323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422431293 and 422431302.

It is not an unprimeable number, because it can be changed into a prime (422431393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51403 + ... + 59051.

It is an arithmetic number, because the mean of its divisors is an integer number (36146250).

Almost surely, 2^422431323 is an apocalyptic number.

422431323 is a deficient number, since it is larger than the sum of its proper divisors (155908677).

422431323 is a wasteful number, since it uses less digits than its factorization.

422431323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8142.

The product of its digits is 3456, while the sum is 24.

The square root of 422431323 is about 20553.1341405636. The cubic root of 422431323 is about 750.3295280827.

Adding to 422431323 its reverse (323134224), we get a palindrome (745565547).

The spelling of 422431323 in words is "four hundred twenty-two million, four hundred thirty-one thousand, three hundred twenty-three".