20233223 has 4 divisors (see below), whose sum is σ = 20291880. Its totient is φ = 20174568.

The previous prime is 20233207. The next prime is 20233231. The reversal of 20233223 is 32233202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32233202 = 2 ⋅16116601.

It is a cyclic number.

It is not a de Polignac number, because 20233223 - 2⁴ = 20233207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233523) 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, 28808 + ... + 29501.

It is an arithmetic number, because the mean of its divisors is an integer number (5072970).

Almost surely, 2^20233223 is an apocalyptic number.

20233223 is a deficient number, since it is larger than the sum of its proper divisors (58657).

20233223 is an equidigital number, since it uses as much as digits as its factorization.

20233223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58656.

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

The square root of 20233223 is about 4498.1355026277. The cubic root of 20233223 is about 272.4927944676.

Adding to 20233223 its reverse (32233202), we get a palindrome (52466425).

The spelling of 20233223 in words is "twenty million, two hundred thirty-three thousand, two hundred twenty-three".