23163143 has 8 divisors (see below), whose sum is σ = 23452416. Its totient is φ = 22876000.

The previous prime is 23163131. The next prime is 23163157. The reversal of 23163143 is 34136132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23163143 - 2¹² = 23159047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23163193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32693 + ... + 33393.

It is an arithmetic number, because the mean of its divisors is an integer number (2931552).

Almost surely, 2^23163143 is an apocalyptic number.

23163143 is a deficient number, since it is larger than the sum of its proper divisors (289273).

23163143 is a wasteful number, since it uses less digits than its factorization.

23163143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065.

The product of its digits is 1296, while the sum is 23.

The square root of 23163143 is about 4812.8103016845. The cubic root of 23163143 is about 285.0575158363.

Adding to 23163143 its reverse (34136132), we get a palindrome (57299275).

The spelling of 23163143 in words is "twenty-three million, one hundred sixty-three thousand, one hundred forty-three".