423391835 has 4 divisors (see below), whose sum is σ = 508070208. Its totient is φ = 338713464.

The previous prime is 423391811. The next prime is 423391901. The reversal of 423391835 is 538193324.

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 423391835 - 2¹⁰ = 423390811 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42339179 + ... + 42339188.

It is an arithmetic number, because the mean of its divisors is an integer number (127017552).

Almost surely, 2^423391835 is an apocalyptic number.

423391835 is a deficient number, since it is larger than the sum of its proper divisors (84678373).

423391835 is an equidigital number, since it uses as much as digits as its factorization.

423391835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84678372.

The product of its digits is 77760, while the sum is 38.

The square root of 423391835 is about 20576.4874310461. The cubic root of 423391835 is about 750.8977900537.

The spelling of 423391835 in words is "four hundred twenty-three million, three hundred ninety-one thousand, eight hundred thirty-five".