328222523 has 4 divisors (see below), whose sum is σ = 337093440. Its totient is φ = 319351608.

The previous prime is 328222501. The next prime is 328222537. The reversal of 328222523 is 325222823.

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 328222523 - 2¹⁴ = 328206139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328222423) 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, 4435403 + ... + 4435476.

It is an arithmetic number, because the mean of its divisors is an integer number (84273360).

Almost surely, 2^328222523 is an apocalyptic number.

328222523 is a deficient number, since it is larger than the sum of its proper divisors (8870917).

328222523 is an equidigital number, since it uses as much as digits as its factorization.

328222523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8870916.

The product of its digits is 11520, while the sum is 29.

The square root of 328222523 is about 18116.9126232921. The cubic root of 328222523 is about 689.7993696600.

The spelling of 328222523 in words is "three hundred twenty-eight million, two hundred twenty-two thousand, five hundred twenty-three".