23743147 has 2 divisors, whose sum is σ = 23743148. Its totient is φ = 23743146.

The previous prime is 23743121. The next prime is 23743157. The reversal of 23743147 is 74134732.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23743147 - 2¹¹ = 23741099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23743157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11871573 + 11871574.

It is an arithmetic number, because the mean of its divisors is an integer number (11871574).

Almost surely, 2^23743147 is an apocalyptic number.

23743147 is a deficient number, since it is larger than the sum of its proper divisors (1).

23743147 is an equidigital number, since it uses as much as digits as its factorization.

23743147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 31.

The square root of 23743147 is about 4872.6940187129. The cubic root of 23743147 is about 287.4172041356.

Adding to 23743147 its reverse (74134732), we get a palindrome (97877879).

The spelling of 23743147 in words is "twenty-three million, seven hundred forty-three thousand, one hundred forty-seven".