23102443 has 16 divisors (see below), whose sum is σ = 28672000. Its totient is φ = 18125856.

The previous prime is 23102413. The next prime is 23102449. The reversal of 23102443 is 34420132.

It is not a de Polignac number, because 23102443 - 2⁵ = 23102411 is a prime.

It is the 4807-th Hogben number.

It is a self number, because there is not a number n which added to its sum of digits gives 23102443.

It is not an unprimeable number, because it can be changed into a prime (23102449) by changing a digit.

It is a nontrivial repunit in base 4806.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10558 + ... + 12556.

It is an arithmetic number, because the mean of its divisors is an integer number (1792000).

Almost surely, 2^23102443 is an apocalyptic number.

23102443 is a deficient number, since it is larger than the sum of its proper divisors (5569557).

23102443 is a wasteful number, since it uses less digits than its factorization.

23102443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 23102443 is about 4806.5000780193. The cubic root of 23102443 is about 284.8082962368.

Adding to 23102443 its reverse (34420132), we get a palindrome (57522575).

It can be divided in two parts, 2310 and 2443, that added together give a triangular number (4753 = T₉₇).

The spelling of 23102443 in words is "twenty-three million, one hundred two thousand, four hundred forty-three".