423798499 has 4 divisors (see below), whose sum is σ = 424279336. Its totient is φ = 423317664.

The previous prime is 423798469. The next prime is 423798521. The reversal of 423798499 is 994897324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423798499 - 2⁵ = 423798467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423798409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239094 + ... + 240859.

It is an arithmetic number, because the mean of its divisors is an integer number (106069834).

Almost surely, 2^423798499 is an apocalyptic number.

423798499 is a deficient number, since it is larger than the sum of its proper divisors (480837).

423798499 is an equidigital number, since it uses as much as digits as its factorization.

423798499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480836.

The product of its digits is 3919104, while the sum is 55.

The square root of 423798499 is about 20586.3668237016. The cubic root of 423798499 is about 751.1381232862.

The spelling of 423798499 in words is "four hundred twenty-three million, seven hundred ninety-eight thousand, four hundred ninety-nine".