423334231 has 6 divisors (see below), whose sum is σ = 446788032. Its totient is φ = 401053140.

The previous prime is 423334157. The next prime is 423334237. The reversal of 423334231 is 132433324.

It is not a de Polignac number, because 423334231 - 2⁷ = 423334103 is a prime.

It is a super-2 number, since 2×423334231² = 358423742272722722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423334196 and 423334205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423334237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 585975 + ... + 586696.

It is an arithmetic number, because the mean of its divisors is an integer number (74464672).

Almost surely, 2^423334231 is an apocalyptic number.

423334231 is a deficient number, since it is larger than the sum of its proper divisors (23453801).

423334231 is a wasteful number, since it uses less digits than its factorization.

423334231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172709 (or 1172690 counting only the distinct ones).

The product of its digits is 5184, while the sum is 25.

The square root of 423334231 is about 20575.0876304331. The cubic root of 423334231 is about 750.8637343835.

Adding to 423334231 its reverse (132433324), we get a palindrome (555767555).

It can be divided in two parts, 42333 and 4231, that added together give a palindrome (46564).

The spelling of 423334231 in words is "four hundred twenty-three million, three hundred thirty-four thousand, two hundred thirty-one".