253423799 has 2 divisors, whose sum is σ = 253423800. Its totient is φ = 253423798.

The previous prime is 253423787. The next prime is 253423873. The reversal of 253423799 is 997324352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253423799 - 2⁴ = 253423783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253423739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126711899 + 126711900.

It is an arithmetic number, because the mean of its divisors is an integer number (126711900).

Almost surely, 2^253423799 is an apocalyptic number.

253423799 is a deficient number, since it is larger than the sum of its proper divisors (1).

253423799 is an equidigital number, since it uses as much as digits as its factorization.

253423799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 44.

The square root of 253423799 is about 15919.2901537726. The cubic root of 253423799 is about 632.8233066191.

The spelling of 253423799 in words is "two hundred fifty-three million, four hundred twenty-three thousand, seven hundred ninety-nine".