23004143 has 2 divisors, whose sum is σ = 23004144. Its totient is φ = 23004142.

The previous prime is 23004127. The next prime is 23004161. The reversal of 23004143 is 34140032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23004143 - 2⁴ = 23004127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23004643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11502071 + 11502072.

It is an arithmetic number, because the mean of its divisors is an integer number (11502072).

Almost surely, 2^23004143 is an apocalyptic number.

23004143 is a deficient number, since it is larger than the sum of its proper divisors (1).

23004143 is an equidigital number, since it uses as much as digits as its factorization.

23004143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 23004143 is about 4796.2634414719. The cubic root of 23004143 is about 284.4037725265.

Adding to 23004143 its reverse (34140032), we get a palindrome (57144175).

The spelling of 23004143 in words is "twenty-three million, four thousand, one hundred forty-three".