23545043 has 2 divisors, whose sum is σ = 23545044. Its totient is φ = 23545042.

The previous prime is 23544973. The next prime is 23545057. The reversal of 23545043 is 34054532.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23545043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23545343) 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 as a sum of consecutive naturals, namely, 11772521 + 11772522.

It is an arithmetic number, because the mean of its divisors is an integer number (11772522).

Almost surely, 2^23545043 is an apocalyptic number.

23545043 is a deficient number, since it is larger than the sum of its proper divisors (1).

23545043 is an equidigital number, since it uses as much as digits as its factorization.

23545043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 23545043 is about 4852.3234640737. The cubic root of 23545043 is about 286.6156030974.

Adding to 23545043 its reverse (34054532), we get a palindrome (57599575).

The spelling of 23545043 in words is "twenty-three million, five hundred forty-five thousand, forty-three".