320322023233 has 4 divisors (see below), whose sum is σ = 324709996228. Its totient is φ = 315934050240.

The previous prime is 320322023209. The next prime is 320322023251. The reversal of 320322023233 is 332320223023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 187218905344 + 133103117889 = 432688^2 + 364833^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320322023233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320322023198 and 320322023207.

It is not an unprimeable number, because it can be changed into a prime (320322029233) 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, 2193986388 + ... + 2193986533.

It is an arithmetic number, because the mean of its divisors is an integer number (81177499057).

Almost surely, 2^320322023233 is an apocalyptic number.

It is an amenable number.

320322023233 is a deficient number, since it is larger than the sum of its proper divisors (4387972995).

320322023233 is an equidigital number, since it uses as much as digits as its factorization.

320322023233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387972994.

The product of its (nonzero) digits is 7776, while the sum is 25.

Adding to 320322023233 its reverse (332320223023), we get a palindrome (652642246256).

The spelling of 320322023233 in words is "three hundred twenty billion, three hundred twenty-two million, twenty-three thousand, two hundred thirty-three".