23164969 has 3 divisors (see below), whose sum is σ = 23169783. Its totient is φ = 23160156.

The previous prime is 23164963. The next prime is 23164987. The reversal of 23164969 is 96946132.

The square root of 23164969 is 4813.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 17347225 + 5817744 = 4165^2 + 2412^2 .

It is not a de Polignac number, because 23164969 - 2¹⁷ = 23033897 is a prime.

It is a super-2 number, since 2×23164969² = 1073231577541922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23164963) 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 in 2 ways as a sum of consecutive naturals, for example, 2407 + ... + 7219.

It is an arithmetic number, because the mean of its divisors is an integer number (7723261).

Almost surely, 2^23164969 is an apocalyptic number.

23164969 is the 4813-rd square number.

23164969 is the 2407-th centered octagonal number.

It is an amenable number.

23164969 is a deficient number, since it is larger than the sum of its proper divisors (4814).

23164969 is an frugal number, since it uses more digits than its factorization.

23164969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9626 (or 4813 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The cubic root of 23164969 is about 285.0650062036.

The spelling of 23164969 in words is "twenty-three million, one hundred sixty-four thousand, nine hundred sixty-nine".