23601145 has 4 divisors (see below), whose sum is σ = 28321380. Its totient is φ = 18880912.

The previous prime is 23601131. The next prime is 23601161. The reversal of 23601145 is 54110632.

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 5308416 + 18292729 = 2304^2 + 4277^2 .

It is a cyclic number.

It is not a de Polignac number, because 23601145 - 2¹¹ = 23599097 is a prime.

It is a super-2 number, since 2×23601145² = 1114028090622050, which contains 22 as substring.

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, 2360110 + ... + 2360119.

It is an arithmetic number, because the mean of its divisors is an integer number (7080345).

Almost surely, 2^23601145 is an apocalyptic number.

It is an amenable number.

23601145 is a deficient number, since it is larger than the sum of its proper divisors (4720235).

23601145 is an equidigital number, since it uses as much as digits as its factorization.

23601145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720234.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 23601145 is about 4858.1009664271. The cubic root of 23601145 is about 286.8430671702.

Adding to 23601145 its reverse (54110632), we get a palindrome (77711777).

The spelling of 23601145 in words is "twenty-three million, six hundred one thousand, one hundred forty-five".