23050145 has 4 divisors (see below), whose sum is σ = 27660180. Its totient is φ = 18440112.

The previous prime is 23050141. The next prime is 23050187. The reversal of 23050145 is 54105032.

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 6436369 + 16613776 = 2537^2 + 4076^2 .

It is a cyclic number.

It is not a de Polignac number, because 23050145 - 2² = 23050141 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (23050141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2305010 + ... + 2305019.

It is an arithmetic number, because the mean of its divisors is an integer number (6915045).

Almost surely, 2^23050145 is an apocalyptic number.

It is an amenable number.

23050145 is a deficient number, since it is larger than the sum of its proper divisors (4610035).

23050145 is an equidigital number, since it uses as much as digits as its factorization.

23050145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4610034.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 23050145 is about 4801.0566545293. The cubic root of 23050145 is about 284.5932229097.

Adding to 23050145 its reverse (54105032), we get a palindrome (77155177).

The spelling of 23050145 in words is "twenty-three million, fifty thousand, one hundred forty-five".