423322403231 has 12 divisors (see below), whose sum is σ = 530315978472. Its totient is φ = 334936406448.

The previous prime is 423322403227. The next prime is 423322403249. The reversal of 423322403231 is 132304223324.

It is not a de Polignac number, because 423322403231 - 2² = 423322403227 is a prime.

It is a super-2 number, since 2×423322403231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423322403194 and 423322403203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423322403201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 332277545 + ... + 332278818.

It is an arithmetic number, because the mean of its divisors is an integer number (44192998206).

Almost surely, 2^423322403231 is an apocalyptic number.

423322403231 is a deficient number, since it is larger than the sum of its proper divisors (106993575241).

423322403231 is a wasteful number, since it uses less digits than its factorization.

423322403231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664556390 (or 664556383 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 423322403231 its reverse (132304223324), we get a palindrome (555626626555).

The spelling of 423322403231 in words is "four hundred twenty-three billion, three hundred twenty-two million, four hundred three thousand, two hundred thirty-one".