423131312422 has 64 divisors (see below), whose sum is σ = 787178456064. Its totient is φ = 166106505600.

The previous prime is 423131312321. The next prime is 423131312437. The reversal of 423131312422 is 224213131324.

It is a super-3 number, since 3×423131312422³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27391833 + ... + 27407275.

It is an arithmetic number, because the mean of its divisors is an integer number (12299663376).

Almost surely, 2^423131312422 is an apocalyptic number.

423131312422 is a deficient number, since it is larger than the sum of its proper divisors (364047143642).

423131312422 is a wasteful number, since it uses less digits than its factorization.

423131312422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16613.

The product of its digits is 6912, while the sum is 28.

Adding to 423131312422 its reverse (224213131324), we get a palindrome (647344443746).

The spelling of 423131312422 in words is "four hundred twenty-three billion, one hundred thirty-one million, three hundred twelve thousand, four hundred twenty-two".