423456835 has 4 divisors (see below), whose sum is σ = 508148208. Its totient is φ = 338765464.

The previous prime is 423456833. The next prime is 423456853. The reversal of 423456835 is 538654324.

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 423456835 - 2¹ = 423456833 is a prime.

It is a super-2 number, since 2×423456835² = 358631382216434450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423456833) 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, 42345679 + ... + 42345688.

It is an arithmetic number, because the mean of its divisors is an integer number (127037052).

Almost surely, 2^423456835 is an apocalyptic number.

423456835 is a deficient number, since it is larger than the sum of its proper divisors (84691373).

423456835 is an equidigital number, since it uses as much as digits as its factorization.

423456835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84691372.

The product of its digits is 345600, while the sum is 40.

The square root of 423456835 is about 20578.0668431221. The cubic root of 423456835 is about 750.9362145538.

The spelling of 423456835 in words is "four hundred twenty-three million, four hundred fifty-six thousand, eight hundred thirty-five".