423043222431 has 16 divisors (see below), whose sum is σ = 574678350720. Its totient is φ = 276736128480.

The previous prime is 423043222423. The next prime is 423043222493. The reversal of 423043222431 is 134222340324.

It is not a de Polignac number, because 423043222431 - 2³ = 423043222423 is a prime.

It is a super-2 number, since 2×423043222431² (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 (423043222411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2113185 + ... + 2304698.

It is an arithmetic number, because the mean of its divisors is an integer number (35917396920).

Almost surely, 2^423043222431 is an apocalyptic number.

423043222431 is a deficient number, since it is larger than the sum of its proper divisors (151635128289).

423043222431 is a wasteful number, since it uses less digits than its factorization.

423043222431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4418486.

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

Adding to 423043222431 its reverse (134222340324), we get a palindrome (557265562755).

The spelling of 423043222431 in words is "four hundred twenty-three billion, forty-three million, two hundred twenty-two thousand, four hundred thirty-one".