423193559 has 2 divisors, whose sum is σ = 423193560. Its totient is φ = 423193558.

The previous prime is 423193501. The next prime is 423193571. The reversal of 423193559 is 955391324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423193559 - 2¹⁶ = 423128023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423193579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211596779 + 211596780.

It is an arithmetic number, because the mean of its divisors is an integer number (211596780).

Almost surely, 2^423193559 is an apocalyptic number.

423193559 is a deficient number, since it is larger than the sum of its proper divisors (1).

423193559 is an equidigital number, since it uses as much as digits as its factorization.

423193559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 41.

The square root of 423193559 is about 20571.6688433389. The cubic root of 423193559 is about 750.7805556583.

The spelling of 423193559 in words is "four hundred twenty-three million, one hundred ninety-three thousand, five hundred fifty-nine".