423523259 has 2 divisors, whose sum is σ = 423523260. Its totient is φ = 423523258.

The previous prime is 423523249. The next prime is 423523267. The reversal of 423523259 is 952325324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423523259 is a prime.

It is not a weakly prime, because it can be changed into another prime (423523229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211761629 + 211761630.

It is an arithmetic number, because the mean of its divisors is an integer number (211761630).

Almost surely, 2^423523259 is an apocalyptic number.

423523259 is a deficient number, since it is larger than the sum of its proper divisors (1).

423523259 is an equidigital number, since it uses as much as digits as its factorization.

423523259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 35.

The square root of 423523259 is about 20579.6807312456. The cubic root of 423523259 is about 750.9754767841.

The spelling of 423523259 in words is "four hundred twenty-three million, five hundred twenty-three thousand, two hundred fifty-nine".