423058581943 has 2 divisors, whose sum is σ = 423058581944. Its totient is φ = 423058581942.

The previous prime is 423058581937. The next prime is 423058582027. The reversal of 423058581943 is 349185850324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423058581943 - 2²⁵ = 423025027511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423058581923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211529290971 + 211529290972.

It is an arithmetic number, because the mean of its divisors is an integer number (211529290972).

Almost surely, 2^423058581943 is an apocalyptic number.

423058581943 is a deficient number, since it is larger than the sum of its proper divisors (1).

423058581943 is an equidigital number, since it uses as much as digits as its factorization.

423058581943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4147200, while the sum is 52.

It can be divided in two parts, 423058 and 581943, that added together give a palindrome (1005001).

The spelling of 423058581943 in words is "four hundred twenty-three billion, fifty-eight million, five hundred eighty-one thousand, nine hundred forty-three".