23520245 has 12 divisors (see below), whose sum is σ = 32832684. Its totient is φ = 16128000.

The previous prime is 23520239. The next prime is 23520253. The reversal of 23520245 is 54202532.

It can be written as a sum of positive squares in 2 ways, for example, as 5466244 + 18054001 = 2338^2 + 4249^2 .

It is not a de Polignac number, because 23520245 - 2¹⁶ = 23454709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23520245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47756 + ... + 48245.

It is an arithmetic number, because the mean of its divisors is an integer number (2736057).

Almost surely, 2^23520245 is an apocalyptic number.

It is an amenable number.

23520245 is a deficient number, since it is larger than the sum of its proper divisors (9312439).

23520245 is an equidigital number, since it uses as much as digits as its factorization.

23520245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96020 (or 96013 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 23520245 is about 4849.7675202014. The cubic root of 23520245 is about 286.5149451029.

Adding to 23520245 its reverse (54202532), we get a palindrome (77722777).

The spelling of 23520245 in words is "twenty-three million, five hundred twenty thousand, two hundred forty-five".