422623056431 has 16 divisors (see below), whose sum is σ = 441946036224. Its totient is φ = 403380023904.

The previous prime is 422623056419. The next prime is 422623056467. The reversal of 422623056431 is 134650326224.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422623056431 is a prime.

It is a super-2 number, since 2×422623056431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422623056631) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 21749186 + ... + 21768608.

It is an arithmetic number, because the mean of its divisors is an integer number (27621627264).

Almost surely, 2^422623056431 is an apocalyptic number.

422623056431 is a deficient number, since it is larger than the sum of its proper divisors (19322979793).

422623056431 is a wasteful number, since it uses less digits than its factorization.

422623056431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21430.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 422623056431 in words is "four hundred twenty-two billion, six hundred twenty-three million, fifty-six thousand, four hundred thirty-one".