423553259 has 2 divisors, whose sum is σ = 423553260. Its totient is φ = 423553258.

The previous prime is 423553199. The next prime is 423553321. The reversal of 423553259 is 952355324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423553259 - 2⁸ = 423553003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (423553159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211776629 + 211776630.

It is an arithmetic number, because the mean of its divisors is an integer number (211776630).

Almost surely, 2^423553259 is an apocalyptic number.

423553259 is a deficient number, since it is larger than the sum of its proper divisors (1).

423553259 is an equidigital number, since it uses as much as digits as its factorization.

423553259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162000, while the sum is 38.

The square root of 423553259 is about 20580.4095926199. The cubic root of 423553259 is about 750.9932079884.

The spelling of 423553259 in words is "four hundred twenty-three million, five hundred fifty-three thousand, two hundred fifty-nine".