423222347 has 4 divisors (see below), whose sum is σ = 426025296. Its totient is φ = 420419400.

The previous prime is 423222341. The next prime is 423222353. The reversal of 423222347 is 743222324.

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

It is an interprime number because it is at equal distance from previous prime (423222341) and next prime (423222353).

It is a cyclic number.

It is not a de Polignac number, because 423222347 - 2⁸ = 423222091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423222341) 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, 1401248 + ... + 1401549.

It is an arithmetic number, because the mean of its divisors is an integer number (106506324).

Almost surely, 2^423222347 is an apocalyptic number.

423222347 is a deficient number, since it is larger than the sum of its proper divisors (2802949).

423222347 is a wasteful number, since it uses less digits than its factorization.

423222347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802948.

The product of its digits is 16128, while the sum is 29.

The square root of 423222347 is about 20572.3685316008. The cubic root of 423222347 is about 750.7975793740.

The spelling of 423222347 in words is "four hundred twenty-three million, two hundred twenty-two thousand, three hundred forty-seven".