23443116 has 12 divisors (see below), whose sum is σ = 54700632. Its totient is φ = 7814368.

The previous prime is 23443111. The next prime is 23443129. The reversal of 23443116 is 61134432.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (23443111) 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, 976785 + ... + 976808.

It is an arithmetic number, because the mean of its divisors is an integer number (4558386).

Almost surely, 2^23443116 is an apocalyptic number.

It is an amenable number.

23443116 is an abundant number, since it is smaller than the sum of its proper divisors (31257516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23443116 is a wasteful number, since it uses less digits than its factorization.

23443116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953600 (or 1953598 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 23443116 is about 4841.8091660040. The cubic root of 23443116 is about 286.2014164669.

Adding to 23443116 its reverse (61134432), we get a palindrome (84577548).

It can be divided in two parts, 2344 and 3116, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 23443116 in words is "twenty-three million, four hundred forty-three thousand, one hundred sixteen".