23008145 has 16 divisors (see below), whose sum is σ = 29687040. Its totient is φ = 17063424.

The previous prime is 23008129. The next prime is 23008147. The reversal of 23008145 is 54180032.

It is a cyclic number.

It is not a de Polignac number, because 23008145 - 2⁴ = 23008129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23008145.

It is not an unprimeable number, because it can be changed into a prime (23008147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1889 + ... + 7041.

It is an arithmetic number, because the mean of its divisors is an integer number (1855440).

Almost surely, 2^23008145 is an apocalyptic number.

It is an amenable number.

23008145 is a deficient number, since it is larger than the sum of its proper divisors (6678895).

23008145 is a wasteful number, since it uses less digits than its factorization.

23008145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 23008145 is about 4796.6806230976. The cubic root of 23008145 is about 284.4202640182.

Adding to 23008145 its reverse (54180032), we get a palindrome (77188177).

The spelling of 23008145 in words is "twenty-three million, eight thousand, one hundred forty-five".