423631370593 has 2 divisors, whose sum is σ = 423631370594. Its totient is φ = 423631370592.

The previous prime is 423631370501. The next prime is 423631370609. The reversal of 423631370593 is 395073136324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298631646784 + 124999723809 = 546472^2 + 353553^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423631370593 is a prime.

It is not a weakly prime, because it can be changed into another prime (423631376593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211815685296 + 211815685297.

It is an arithmetic number, because the mean of its divisors is an integer number (211815685297).

Almost surely, 2^423631370593 is an apocalyptic number.

It is an amenable number.

423631370593 is a deficient number, since it is larger than the sum of its proper divisors (1).

423631370593 is an equidigital number, since it uses as much as digits as its factorization.

423631370593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 46.

The spelling of 423631370593 in words is "four hundred twenty-three billion, six hundred thirty-one million, three hundred seventy thousand, five hundred ninety-three".