23967169 has 2 divisors, whose sum is σ = 23967170. Its totient is φ = 23967168.

The previous prime is 23967143. The next prime is 23967179. The reversal of 23967169 is 96176932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15116544 + 8850625 = 3888^2 + 2975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23967169 is a prime.

It is a super-2 number, since 2×23967169² = 1148850379749122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23967179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11983584 + 11983585.

It is an arithmetic number, because the mean of its divisors is an integer number (11983585).

Almost surely, 2^23967169 is an apocalyptic number.

It is an amenable number.

23967169 is a deficient number, since it is larger than the sum of its proper divisors (1).

23967169 is an equidigital number, since it uses as much as digits as its factorization.

23967169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 43.

The square root of 23967169 is about 4895.6275389372. The cubic root of 23967169 is about 288.3183248858.

The spelling of 23967169 in words is "twenty-three million, nine hundred sixty-seven thousand, one hundred sixty-nine".