23345143 has 2 divisors, whose sum is σ = 23345144. Its totient is φ = 23345142.

The previous prime is 23345141. The next prime is 23345149. The reversal of 23345143 is 34154332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23345143 - 2¹ = 23345141 is a prime.

Together with 23345141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23345141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11672571 + 11672572.

It is an arithmetic number, because the mean of its divisors is an integer number (11672572).

Almost surely, 2^23345143 is an apocalyptic number.

23345143 is a deficient number, since it is larger than the sum of its proper divisors (1).

23345143 is an equidigital number, since it uses as much as digits as its factorization.

23345143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 25.

The square root of 23345143 is about 4831.6811773957. The cubic root of 23345143 is about 285.8021640277.

Adding to 23345143 its reverse (34154332), we get a palindrome (57499475).

The spelling of 23345143 in words is "twenty-three million, three hundred forty-five thousand, one hundred forty-three".