431431222423 has 2 divisors, whose sum is σ = 431431222424. Its totient is φ = 431431222422.

The previous prime is 431431222421. The next prime is 431431222499. The reversal of 431431222423 is 324222134134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431431222423 - 2¹ = 431431222421 is a prime.

It is a super-3 number, since 3×431431222423³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 431431222421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431431222421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215715611211 + 215715611212.

It is an arithmetic number, because the mean of its divisors is an integer number (215715611212).

Almost surely, 2^431431222423 is an apocalyptic number.

431431222423 is a deficient number, since it is larger than the sum of its proper divisors (1).

431431222423 is an equidigital number, since it uses as much as digits as its factorization.

431431222423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 31.

Adding to 431431222423 its reverse (324222134134), we get a palindrome (755653356557).

The spelling of 431431222423 in words is "four hundred thirty-one billion, four hundred thirty-one million, two hundred twenty-two thousand, four hundred twenty-three".