23235143 has 4 divisors (see below), whose sum is σ = 23293488. Its totient is φ = 23176800.

The previous prime is 23235133. The next prime is 23235167. The reversal of 23235143 is 34153232.

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 23235143 - 2⁴ = 23235127 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 (23235133) 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 3 ways as a sum of consecutive naturals, for example, 28571 + ... + 29372.

It is an arithmetic number, because the mean of its divisors is an integer number (5823372).

Almost surely, 2^23235143 is an apocalyptic number.

23235143 is a deficient number, since it is larger than the sum of its proper divisors (58345).

23235143 is an equidigital number, since it uses as much as digits as its factorization.

23235143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58344.

The product of its digits is 2160, while the sum is 23.

The square root of 23235143 is about 4820.2845351701. The cubic root of 23235143 is about 285.3525666437.

Adding to 23235143 its reverse (34153232), we get a palindrome (57388375).

The spelling of 23235143 in words is "twenty-three million, two hundred thirty-five thousand, one hundred forty-three".