220323023 has 4 divisors (see below), whose sum is σ = 220433640. Its totient is φ = 220212408.

The previous prime is 220323017. The next prime is 220323071. The reversal of 220323023 is 320323022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320323022 = 2 ⋅160161511.

It is a cyclic number.

It is not a de Polignac number, because 220323023 - 2⁴ = 220323007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220322992 and 220323010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220323083) 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, 52265 + ... + 56322.

It is an arithmetic number, because the mean of its divisors is an integer number (55108410).

Almost surely, 2^220323023 is an apocalyptic number.

220323023 is a deficient number, since it is larger than the sum of its proper divisors (110617).

220323023 is a wasteful number, since it uses less digits than its factorization.

220323023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110616.

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

The square root of 220323023 is about 14843.2820831513. The cubic root of 220323023 is about 603.9763880877.

Adding to 220323023 its reverse (320323022), we get a palindrome (540646045).

Subtracting 220323023 from its reverse (320323022), we obtain a palindrome (99999999).

The spelling of 220323023 in words is "two hundred twenty million, three hundred twenty-three thousand, twenty-three".