423264463631 has 2 divisors, whose sum is σ = 423264463632. Its totient is φ = 423264463630.

The previous prime is 423264463619. The next prime is 423264463651. The reversal of 423264463631 is 136364462324.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423264463631 is a prime.

It is a super-2 number, since 2×423264463631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423264463651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211632231815 + 211632231816.

It is an arithmetic number, because the mean of its divisors is an integer number (211632231816).

Almost surely, 2^423264463631 is an apocalyptic number.

423264463631 is a deficient number, since it is larger than the sum of its proper divisors (1).

423264463631 is an equidigital number, since it uses as much as digits as its factorization.

423264463631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 44.

The spelling of 423264463631 in words is "four hundred twenty-three billion, two hundred sixty-four million, four hundred sixty-three thousand, six hundred thirty-one".