23201245 has 4 divisors (see below), whose sum is σ = 27841500. Its totient is φ = 18560992.

The previous prime is 23201197. The next prime is 23201251. The reversal of 23201245 is 54210232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11215801 + 11985444 = 3349^2 + 3462^2 .

It is a cyclic number.

It is not a de Polignac number, because 23201245 - 2⁷ = 23201117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2320120 + ... + 2320129.

It is an arithmetic number, because the mean of its divisors is an integer number (6960375).

Almost surely, 2^23201245 is an apocalyptic number.

It is an amenable number.

23201245 is a deficient number, since it is larger than the sum of its proper divisors (4640255).

23201245 is an equidigital number, since it uses as much as digits as its factorization.

23201245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4640254.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 23201245 is about 4816.7670693111. The cubic root of 23201245 is about 285.2137311295.

Adding to 23201245 its reverse (54210232), we get a palindrome (77411477).

The spelling of 23201245 in words is "twenty-three million, two hundred one thousand, two hundred forty-five".