23089143 has 48 divisors (see below), whose sum is σ = 39726720. Its totient is φ = 11793600.

The previous prime is 23089139. The next prime is 23089153. The reversal of 23089143 is 34198032.

23089143 = T₇₇ + T₇₈ + ... + T₅₁₇.

It is not a de Polignac number, because 23089143 - 2² = 23089139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23089143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23089103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 176188 + ... + 176318.

It is an arithmetic number, because the mean of its divisors is an integer number (827640).

Almost surely, 2^23089143 is an apocalyptic number.

23089143 is a deficient number, since it is larger than the sum of its proper divisors (16637577).

23089143 is a wasteful number, since it uses less digits than its factorization.

23089143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 23089143 is about 4805.1163357405. The cubic root of 23089143 is about 284.7536313474.

Subtracting 23089143 from its reverse (34198032), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 23089 and 143, that added together give a palindrome (23232).

The spelling of 23089143 in words is "twenty-three million, eighty-nine thousand, one hundred forty-three".