423226939 has 4 divisors (see below), whose sum is σ = 423344224. Its totient is φ = 423109656.

The previous prime is 423226907. The next prime is 423226987. The reversal of 423226939 is 939622324.

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 423226939 - 2⁵ = 423226907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423220939) 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, 53052 + ... + 60505.

It is an arithmetic number, because the mean of its divisors is an integer number (105836056).

Almost surely, 2^423226939 is an apocalyptic number.

423226939 is a deficient number, since it is larger than the sum of its proper divisors (117285).

423226939 is a wasteful number, since it uses less digits than its factorization.

423226939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117284.

The product of its digits is 139968, while the sum is 40.

The square root of 423226939 is about 20572.4801373096. The cubic root of 423226939 is about 750.8002947710.

The spelling of 423226939 in words is "four hundred twenty-three million, two hundred twenty-six thousand, nine hundred thirty-nine".