423213325431 has 64 divisors (see below), whose sum is σ = 646149504000. Its totient is φ = 244238561280.

The previous prime is 423213325363. The next prime is 423213325439. The reversal of 423213325431 is 134523312324.

It is not a de Polignac number, because 423213325431 - 2¹⁰ = 423213324407 is a prime.

It is a super-2 number, since 2×423213325431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423213325392 and 423213325401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423213325439) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 125917191 + ... + 125920551.

It is an arithmetic number, because the mean of its divisors is an integer number (10096086000).

Almost surely, 2^423213325431 is an apocalyptic number.

423213325431 is a deficient number, since it is larger than the sum of its proper divisors (222936178569).

423213325431 is a wasteful number, since it uses less digits than its factorization.

423213325431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5064.

The product of its digits is 51840, while the sum is 33.

Adding to 423213325431 its reverse (134523312324), we get a palindrome (557736637755).

The spelling of 423213325431 in words is "four hundred twenty-three billion, two hundred thirteen million, three hundred twenty-five thousand, four hundred thirty-one".