423495539 has 2 divisors, whose sum is σ = 423495540. Its totient is φ = 423495538.

The previous prime is 423495491. The next prime is 423495547. The reversal of 423495539 is 935594324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423495539 - 2¹² = 423491443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423495539.

It is not a weakly prime, because it can be changed into another prime (423495139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211747769 + 211747770.

It is an arithmetic number, because the mean of its divisors is an integer number (211747770).

Almost surely, 2^423495539 is an apocalyptic number.

423495539 is a deficient number, since it is larger than the sum of its proper divisors (1).

423495539 is an equidigital number, since it uses as much as digits as its factorization.

423495539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 44.

The square root of 423495539 is about 20579.0072403894. The cubic root of 423495539 is about 750.9590924069.

The spelling of 423495539 in words is "four hundred twenty-three million, four hundred ninety-five thousand, five hundred thirty-nine".