23140163 has 2 divisors, whose sum is σ = 23140164. Its totient is φ = 23140162.

The previous prime is 23140123. The next prime is 23140177. The reversal of 23140163 is 36104132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23140163 - 2¹⁰ = 23139139 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23140123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11570081 + 11570082.

It is an arithmetic number, because the mean of its divisors is an integer number (11570082).

Almost surely, 2^23140163 is an apocalyptic number.

23140163 is a deficient number, since it is larger than the sum of its proper divisors (1).

23140163 is an equidigital number, since it uses as much as digits as its factorization.

23140163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 23140163 is about 4810.4223307315. The cubic root of 23140163 is about 284.9632167569.

Adding to 23140163 its reverse (36104132), we get a palindrome (59244295).

The spelling of 23140163 in words is "twenty-three million, one hundred forty thousand, one hundred sixty-three".