329630423 has 4 divisors (see below), whose sum is σ = 333803040. Its totient is φ = 325457808.

The previous prime is 329630381. The next prime is 329630491. The reversal of 329630423 is 324036923.

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 329630423 - 2⁶ = 329630359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 329630423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329630123) 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, 2086190 + ... + 2086347.

It is an arithmetic number, because the mean of its divisors is an integer number (83450760).

Almost surely, 2^329630423 is an apocalyptic number.

329630423 is a deficient number, since it is larger than the sum of its proper divisors (4172617).

329630423 is an equidigital number, since it uses as much as digits as its factorization.

329630423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172616.

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 329630423 is about 18155.7270027945. The cubic root of 329630423 is about 690.7842535578.

The spelling of 329630423 in words is "three hundred twenty-nine million, six hundred thirty thousand, four hundred twenty-three".