23500145 has 8 divisors (see below), whose sum is σ = 28856256. Its totient is φ = 18362736.

The previous prime is 23500133. The next prime is 23500157. The reversal of 23500145 is 54100532.

It is an interprime number because it is at equal distance from previous prime (23500133) and next prime (23500157).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23500145 - 2⁴ = 23500129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 54437 + ... + 54866.

It is an arithmetic number, because the mean of its divisors is an integer number (3607032).

Almost surely, 2^23500145 is an apocalyptic number.

It is an amenable number.

23500145 is a deficient number, since it is larger than the sum of its proper divisors (5356111).

23500145 is a wasteful number, since it uses less digits than its factorization.

23500145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109351.

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

The square root of 23500145 is about 4847.6948130013. The cubic root of 23500145 is about 286.4333049148.

Adding to 23500145 its reverse (54100532), we get a palindrome (77600677).

The spelling of 23500145 in words is "twenty-three million, five hundred thousand, one hundred forty-five".