423233579 has 2 divisors, whose sum is σ = 423233580. Its totient is φ = 423233578.

The previous prime is 423233509. The next prime is 423233597. The reversal of 423233579 is 975332324.

Together with next prime (423233597) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423233579 - 2¹² = 423229483 is a prime.

It is not a weakly prime, because it can be changed into another prime (423233509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211616789 + 211616790.

It is an arithmetic number, because the mean of its divisors is an integer number (211616790).

Almost surely, 2^423233579 is an apocalyptic number.

423233579 is a deficient number, since it is larger than the sum of its proper divisors (1).

423233579 is an equidigital number, since it uses as much as digits as its factorization.

423233579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 38.

The square root of 423233579 is about 20572.6415173161. The cubic root of 423233579 is about 750.8042211813.

The spelling of 423233579 in words is "four hundred twenty-three million, two hundred thirty-three thousand, five hundred seventy-nine".