431340222423 has 32 divisors (see below), whose sum is σ = 633281299200. Its totient is φ = 258970348800.

The previous prime is 431340222293. The next prime is 431340222457. The reversal of 431340222423 is 324222043134.

It is not a de Polignac number, because 431340222423 - 2⁸ = 431340222167 is a prime.

It is a super-2 number, since 2×431340222423² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431340222473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28808083 + ... + 28823051.

It is an arithmetic number, because the mean of its divisors is an integer number (19790040600).

Almost surely, 2^431340222423 is an apocalyptic number.

431340222423 is a deficient number, since it is larger than the sum of its proper divisors (201941076777).

431340222423 is a wasteful number, since it uses less digits than its factorization.

431340222423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23103.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 431340222423 its reverse (324222043134), we get a palindrome (755562265557).

The spelling of 431340222423 in words is "four hundred thirty-one billion, three hundred forty million, two hundred twenty-two thousand, four hundred twenty-three".