23300143 has 2 divisors, whose sum is σ = 23300144. Its totient is φ = 23300142.

The previous prime is 23300131. The next prime is 23300161. The reversal of 23300143 is 34100332.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23300143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23300113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11650071 + 11650072.

It is an arithmetic number, because the mean of its divisors is an integer number (11650072).

Almost surely, 2^23300143 is an apocalyptic number.

23300143 is a deficient number, since it is larger than the sum of its proper divisors (1).

23300143 is an equidigital number, since it uses as much as digits as its factorization.

23300143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 23300143 is about 4827.0221669265. The cubic root of 23300143 is about 285.6184088898.

Adding to 23300143 its reverse (34100332), we get a palindrome (57400475).

The spelling of 23300143 in words is "twenty-three million, three hundred thousand, one hundred forty-three".