20221232323 has 4 divisors (see below), whose sum is σ = 20221729848. Its totient is φ = 20220734800.

The previous prime is 20221232293. The next prime is 20221232333. The reversal of 20221232323 is 32323212202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32323212202 = 2 ⋅16161606101.

It is a cyclic number.

It is not a de Polignac number, because 20221232323 - 2²⁵ = 20187677891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20221232294 and 20221232303.

It is not an unprimeable number, because it can be changed into a prime (20221232333) 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, 181786 + ... + 271087.

It is an arithmetic number, because the mean of its divisors is an integer number (5055432462).

Almost surely, 2^20221232323 is an apocalyptic number.

20221232323 is a deficient number, since it is larger than the sum of its proper divisors (497525).

20221232323 is an equidigital number, since it uses as much as digits as its factorization.

20221232323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497524.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20221232323 its reverse (32323212202), we get a palindrome (52544444525).

The spelling of 20221232323 in words is "twenty billion, two hundred twenty-one million, two hundred thirty-two thousand, three hundred twenty-three".