23698769 has 2 divisors, whose sum is σ = 23698770. Its totient is φ = 23698768.

The previous prime is 23698747. The next prime is 23698781. The reversal of 23698769 is 96789632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22515025 + 1183744 = 4745^2 + 1088^2 .

It is a cyclic number.

It is not a de Polignac number, because 23698769 - 2¹² = 23694673 is a prime.

It is a super-2 number, since 2×23698769² = 1123263304230722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (23698739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11849384 + 11849385.

It is an arithmetic number, because the mean of its divisors is an integer number (11849385).

Almost surely, 2^23698769 is an apocalyptic number.

It is an amenable number.

23698769 is a deficient number, since it is larger than the sum of its proper divisors (1).

23698769 is an equidigital number, since it uses as much as digits as its factorization.

23698769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 50.

The square root of 23698769 is about 4868.1381451228. The cubic root of 23698769 is about 287.2380232309.

The spelling of 23698769 in words is "twenty-three million, six hundred ninety-eight thousand, seven hundred sixty-nine".