23243143 has 16 divisors (see below), whose sum is σ = 29352960. Its totient is φ = 17877600.

The previous prime is 23243119. The next prime is 23243153. The reversal of 23243143 is 34134232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23243143 - 2⁵ = 23243111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23243153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4173 + ... + 7993.

It is an arithmetic number, because the mean of its divisors is an integer number (1834560).

Almost surely, 2^23243143 is an apocalyptic number.

23243143 is a deficient number, since it is larger than the sum of its proper divisors (6109817).

23243143 is a wasteful number, since it uses less digits than its factorization.

23243143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918.

The product of its digits is 1728, while the sum is 22.

The square root of 23243143 is about 4821.1142902860. The cubic root of 23243143 is about 285.3853124229.

Adding to 23243143 its reverse (34134232), we get a palindrome (57377375).

The spelling of 23243143 in words is "twenty-three million, two hundred forty-three thousand, one hundred forty-three".