423331207 has 4 divisors (see below), whose sum is σ = 455895160. Its totient is φ = 390767256.

The previous prime is 423331187. The next prime is 423331213. The reversal of 423331207 is 702133324.

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 423331207 - 2⁷ = 423331079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423731207) 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, 16281957 + ... + 16281982.

It is an arithmetic number, because the mean of its divisors is an integer number (113973790).

Almost surely, 2^423331207 is an apocalyptic number.

423331207 is a deficient number, since it is larger than the sum of its proper divisors (32563953).

423331207 is a wasteful number, since it uses less digits than its factorization.

423331207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32563952.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 423331207 is about 20575.0141433730. The cubic root of 423331207 is about 750.8619464996.

The spelling of 423331207 in words is "four hundred twenty-three million, three hundred thirty-one thousand, two hundred seven".