423334315531 has 8 divisors (see below), whose sum is σ = 445685670720. Its totient is φ = 400990020552.

The previous prime is 423334315511. The next prime is 423334315541. The reversal of 423334315531 is 135513433324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423334315531 is a prime.

It is a super-2 number, since 2×423334315531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423334315501) 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, 1641745 + ... + 1882018.

It is an arithmetic number, because the mean of its divisors is an integer number (55710708840).

Almost surely, 2^423334315531 is an apocalyptic number.

423334315531 is a deficient number, since it is larger than the sum of its proper divisors (22351355189).

423334315531 is a wasteful number, since it uses less digits than its factorization.

423334315531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530105.

The product of its digits is 194400, while the sum is 37.

Adding to 423334315531 its reverse (135513433324), we get a palindrome (558847748855).

The spelling of 423334315531 in words is "four hundred twenty-three billion, three hundred thirty-four million, three hundred fifteen thousand, five hundred thirty-one".