321272323 has 4 divisors (see below), whose sum is σ = 321310368. Its totient is φ = 321234280.

The previous prime is 321272321. The next prime is 321272339. The reversal of 321272323 is 323272123.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 321272323 - 2¹ = 321272321 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321272321) 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, 43 + ... + 25348.

It is an arithmetic number, because the mean of its divisors is an integer number (80327592).

Almost surely, 2^321272323 is an apocalyptic number.

321272323 is a deficient number, since it is larger than the sum of its proper divisors (38045).

321272323 is a wasteful number, since it uses less digits than its factorization.

321272323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38044.

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

The square root of 321272323 is about 17924.0710498480. The cubic root of 321272323 is about 684.8956972630.

The spelling of 321272323 in words is "three hundred twenty-one million, two hundred seventy-two thousand, three hundred twenty-three".