23520897 has 12 divisors (see below), whose sum is σ = 34110180. Its totient is φ = 15618048.

The previous prime is 23520883. The next prime is 23520899. The reversal of 23520897 is 79802532.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22667121 + 853776 = 4761^2 + 924^2 .

It is not a de Polignac number, because 23520897 - 2¹¹ = 23518849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23520899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2772 + ... + 7397.

It is an arithmetic number, because the mean of its divisors is an integer number (2842515).

Almost surely, 2^23520897 is an apocalyptic number.

It is an amenable number.

23520897 is a deficient number, since it is larger than the sum of its proper divisors (10589283).

23520897 is a wasteful number, since it uses less digits than its factorization.

23520897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10432 (or 10429 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 23520897 is about 4849.8347394525. The cubic root of 23520897 is about 286.5175925529.

The spelling of 23520897 in words is "twenty-three million, five hundred twenty thousand, eight hundred ninety-seven".