22723163 has 2 divisors, whose sum is σ = 22723164. Its totient is φ = 22723162.

The previous prime is 22723157. The next prime is 22723177. The reversal of 22723163 is 36132722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22723163 - 2⁴ = 22723147 is a prime.

It is not a weakly prime, because it can be changed into another prime (22723193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11361581 + 11361582.

It is an arithmetic number, because the mean of its divisors is an integer number (11361582).

Almost surely, 2^22723163 is an apocalyptic number.

22723163 is a deficient number, since it is larger than the sum of its proper divisors (1).

22723163 is an equidigital number, since it uses as much as digits as its factorization.

22723163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 26.

The square root of 22723163 is about 4766.8818949078. The cubic root of 22723163 is about 283.2410927728.

Adding to 22723163 its reverse (36132722), we get a palindrome (58855885).

The spelling of 22723163 in words is "twenty-two million, seven hundred twenty-three thousand, one hundred sixty-three".