23223143 has 2 divisors, whose sum is σ = 23223144. Its totient is φ = 23223142.

The previous prime is 23223107. The next prime is 23223157. The reversal of 23223143 is 34132232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23223143 - 2¹² = 23219047 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23226143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611571 + 11611572.

It is an arithmetic number, because the mean of its divisors is an integer number (11611572).

Almost surely, 2^23223143 is an apocalyptic number.

23223143 is a deficient number, since it is larger than the sum of its proper divisors (1).

23223143 is an equidigital number, since it uses as much as digits as its factorization.

23223143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 20.

The square root of 23223143 is about 4819.0396346160. The cubic root of 23223143 is about 285.3034338787.

Adding to 23223143 its reverse (34132232), we get a palindrome (57355375).

The spelling of 23223143 in words is "twenty-three million, two hundred twenty-three thousand, one hundred forty-three".