431142323422 has 8 divisors (see below), whose sum is σ = 646829879976. Its totient is φ = 215532363432.

The previous prime is 431142323419. The next prime is 431142323449. The reversal of 431142323422 is 224323241134.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19385248 + ... + 19407475.

It is an arithmetic number, because the mean of its divisors is an integer number (80853734997).

Almost surely, 2^431142323422 is an apocalyptic number.

431142323422 is a deficient number, since it is larger than the sum of its proper divisors (215687556554).

431142323422 is a wasteful number, since it uses less digits than its factorization.

431142323422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38798282.

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

Adding to 431142323422 its reverse (224323241134), we get a palindrome (655465564556).

The spelling of 431142323422 in words is "four hundred thirty-one billion, one hundred forty-two million, three hundred twenty-three thousand, four hundred twenty-two".