23451163 has 2 divisors, whose sum is σ = 23451164. Its totient is φ = 23451162.

The previous prime is 23451137. The next prime is 23451179. The reversal of 23451163 is 36115432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23451163 is a prime.

It is not a weakly prime, because it can be changed into another prime (23451133) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11725581 + 11725582.

It is an arithmetic number, because the mean of its divisors is an integer number (11725582).

Almost surely, 2^23451163 is an apocalyptic number.

23451163 is the 2589-th centered heptagonal number.

23451163 is a deficient number, since it is larger than the sum of its proper divisors (1).

23451163 is an equidigital number, since it uses as much as digits as its factorization.

23451163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 23451163 is about 4842.6400857384. The cubic root of 23451163 is about 286.2341595450.

Adding to 23451163 its reverse (36115432), we get a palindrome (59566595).

The spelling of 23451163 in words is "twenty-three million, four hundred fifty-one thousand, one hundred sixty-three".