23143143 has 8 divisors (see below), whose sum is σ = 31853056. Its totient is φ = 14931000.

The previous prime is 23143111. The next prime is 23143151. The reversal of 23143143 is 34134132.

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

It is not a de Polignac number, because 23143143 - 2⁵ = 23143111 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 (23143343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124333 + ... + 124518.

It is an arithmetic number, because the mean of its divisors is an integer number (3981632).

Almost surely, 2^23143143 is an apocalyptic number.

23143143 is a deficient number, since it is larger than the sum of its proper divisors (8709913).

23143143 is a wasteful number, since it uses less digits than its factorization.

23143143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248885.

The product of its digits is 864, while the sum is 21.

The square root of 23143143 is about 4810.7320648733. The cubic root of 23143143 is about 284.9754487931.

Adding to 23143143 its reverse (34134132), we get a palindrome (57277275).

The spelling of 23143143 in words is "twenty-three million, one hundred forty-three thousand, one hundred forty-three".