423311446531 has 2 divisors, whose sum is σ = 423311446532. Its totient is φ = 423311446530.

The previous prime is 423311446433. The next prime is 423311446609. The reversal of 423311446531 is 135644113324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423311446531 - 2³⁵ = 388951708163 is a prime.

It is a super-2 number, since 2×423311446531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (423311444531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211655723265 + 211655723266.

It is an arithmetic number, because the mean of its divisors is an integer number (211655723266).

Almost surely, 2^423311446531 is an apocalyptic number.

423311446531 is a deficient number, since it is larger than the sum of its proper divisors (1).

423311446531 is an equidigital number, since it uses as much as digits as its factorization.

423311446531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 37.

Adding to 423311446531 its reverse (135644113324), we get a palindrome (558955559855).

The spelling of 423311446531 in words is "four hundred twenty-three billion, three hundred eleven million, four hundred forty-six thousand, five hundred thirty-one".