23475143 has 2 divisors, whose sum is σ = 23475144. Its totient is φ = 23475142.

The previous prime is 23475107. The next prime is 23475161. The reversal of 23475143 is 34157432.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23475143 - 2⁸ = 23474887 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23475103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11737571 + 11737572.

It is an arithmetic number, because the mean of its divisors is an integer number (11737572).

Almost surely, 2^23475143 is an apocalyptic number.

23475143 is a deficient number, since it is larger than the sum of its proper divisors (1).

23475143 is an equidigital number, since it uses as much as digits as its factorization.

23475143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 29.

The square root of 23475143 is about 4845.1153753033. The cubic root of 23475143 is about 286.3316892768.

The spelling of 23475143 in words is "twenty-three million, four hundred seventy-five thousand, one hundred forty-three".