329840923 has 4 divisors (see below), whose sum is σ = 329907088. Its totient is φ = 329774760.

The previous prime is 329840911. The next prime is 329840957. The reversal of 329840923 is 329048923.

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 329840923 - 2¹³ = 329832731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (329840963) 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, 24936 + ... + 35797.

It is an arithmetic number, because the mean of its divisors is an integer number (82476772).

Almost surely, 2^329840923 is an apocalyptic number.

329840923 is a deficient number, since it is larger than the sum of its proper divisors (66165).

329840923 is an equidigital number, since it uses as much as digits as its factorization.

329840923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66164.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 329840923 is about 18161.5231464765. The cubic root of 329840923 is about 690.9312658212.

The spelling of 329840923 in words is "three hundred twenty-nine million, eight hundred forty thousand, nine hundred twenty-three".