23922909 has 6 divisors (see below), whose sum is σ = 34555326. Its totient is φ = 15948600.

The previous prime is 23922887. The next prime is 23922911. The reversal of 23922909 is 90922932.

It can be written as a sum of positive squares in only one way, i.e., 22297284 + 1625625 = 4722^2 + 1275^2 .

It is not a de Polignac number, because 23922909 - 2¹⁶ = 23857373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23922949) 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 in 5 ways as a sum of consecutive naturals, for example, 1329042 + ... + 1329059.

It is an arithmetic number, because the mean of its divisors is an integer number (5759221).

Almost surely, 2^23922909 is an apocalyptic number.

It is an amenable number.

23922909 is a deficient number, since it is larger than the sum of its proper divisors (10632417).

23922909 is a wasteful number, since it uses less digits than its factorization.

23922909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658107 (or 2658104 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 23922909 is about 4891.1050898544. The cubic root of 23922909 is about 288.1407370597.

The spelling of 23922909 in words is "twenty-three million, nine hundred twenty-two thousand, nine hundred nine".