322320023 has 4 divisors (see below), whose sum is σ = 322756920. Its totient is φ = 321883128.

The previous prime is 322320001. The next prime is 322320029. The reversal of 322320023 is 320023223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320023223 = 13 ⋅24617171.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322320023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 322319983 and 322320010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322320029) 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, 217340 + ... + 218817.

It is an arithmetic number, because the mean of its divisors is an integer number (80689230).

Almost surely, 2^322320023 is an apocalyptic number.

322320023 is a deficient number, since it is larger than the sum of its proper divisors (436897).

322320023 is an equidigital number, since it uses as much as digits as its factorization.

322320023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436896.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 322320023 is about 17953.2733227119. The cubic root of 322320023 is about 685.6393930462.

Adding to 322320023 its reverse (320023223), we get a palindrome (642343246).

It can be divided in two parts, 3223200 and 23, that added together give a palindrome (3223223).

The spelling of 322320023 in words is "three hundred twenty-two million, three hundred twenty thousand, twenty-three".