423646323 has 4 divisors (see below), whose sum is σ = 564861768. Its totient is φ = 282430880.

The previous prime is 423646309. The next prime is 423646339. The reversal of 423646323 is 323646324.

It is a happy number.

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 423646323 - 2⁶ = 423646259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423646303) 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, 70607718 + ... + 70607723.

It is an arithmetic number, because the mean of its divisors is an integer number (141215442).

Almost surely, 2^423646323 is an apocalyptic number.

423646323 is a deficient number, since it is larger than the sum of its proper divisors (141215445).

423646323 is a wasteful number, since it uses less digits than its factorization.

423646323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141215444.

The product of its digits is 62208, while the sum is 33.

The square root of 423646323 is about 20582.6704535636. The cubic root of 423646323 is about 751.0482072219.

Subtracting from 423646323 its reverse (323646324), we obtain a palindrome (99999999).

The spelling of 423646323 in words is "four hundred twenty-three million, six hundred forty-six thousand, three hundred twenty-three".