20223023 has 2 divisors, whose sum is σ = 20223024. Its totient is φ = 20223022.

The previous prime is 20222987. The next prime is 20223037. The reversal of 20223023 is 32032202.

It is an a-pointer prime, because the next prime (20223037) can be obtained adding 20223023 to its sum of digits (14).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20223023 - 2⁸ = 20222767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20222989 and 20223007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20223083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111511 + 10111512.

It is an arithmetic number, because the mean of its divisors is an integer number (10111512).

Almost surely, 2^20223023 is an apocalyptic number.

20223023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223023 is an equidigital number, since it uses as much as digits as its factorization.

20223023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 20223023 is about 4497.0015565930. The cubic root of 20223023 is about 272.4469969577.

Subtracting from 20223023 its sum of digits (14), we obtain a square (20223009 = 4497²).

Adding to 20223023 its reverse (32032202), we get a palindrome (52255225).

The spelling of 20223023 in words is "twenty million, two hundred twenty-three thousand, twenty-three".