23232143 has 4 divisors (see below), whose sum is σ = 25344168. Its totient is φ = 21120120.

The previous prime is 23232137. The next prime is 23232173. The reversal of 23232143 is 34123232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23232143 - 2⁴ = 23232127 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23232133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055996 + ... + 1056017.

It is an arithmetic number, because the mean of its divisors is an integer number (6336042).

Almost surely, 2^23232143 is an apocalyptic number.

23232143 is a deficient number, since it is larger than the sum of its proper divisors (2112025).

23232143 is a wasteful number, since it uses less digits than its factorization.

23232143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112024.

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

The square root of 23232143 is about 4819.9733401752. The cubic root of 23232143 is about 285.3402850387.

Adding to 23232143 its reverse (34123232), we get a palindrome (57355375).

The spelling of 23232143 in words is "twenty-three million, two hundred thirty-two thousand, one hundred forty-three".