423013124400431 has 4 divisors (see below), whose sum is σ = 426343936403712. Its totient is φ = 419682312397152.

The previous prime is 423013124400421. The next prime is 423013124400499. The reversal of 423013124400431 is 134004421310324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423013124400431 is a prime.

It is a super-2 number, since 2×423013124400431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423013124400421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1665406001450 + ... + 1665406001703.

It is an arithmetic number, because the mean of its divisors is an integer number (106585984100928).

Almost surely, 2^{423013124400431} is an apocalyptic number.

423013124400431 is a deficient number, since it is larger than the sum of its proper divisors (3330812003281).

423013124400431 is a wasteful number, since it uses less digits than its factorization.

423013124400431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330812003280.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 423013124400431 its reverse (134004421310324), we get a palindrome (557017545710755).

The spelling of 423013124400431 in words is "four hundred twenty-three trillion, thirteen billion, one hundred twenty-four million, four hundred thousand, four hundred thirty-one".