23243736 has 64 divisors (see below), whose sum is σ = 60318720. Its totient is φ = 7459200.

The previous prime is 23243683. The next prime is 23243741. The reversal of 23243736 is 63734232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104121 + ... + 104343.

It is an arithmetic number, because the mean of its divisors is an integer number (942480).

Almost surely, 2^23243736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23243736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30159360).

23243736 is an abundant number, since it is smaller than the sum of its proper divisors (37074984).

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

23243736 is a wasteful number, since it uses less digits than its factorization.

23243736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 372 counting only the distinct ones).

The product of its digits is 18144, while the sum is 30.

The square root of 23243736 is about 4821.1757901989. The cubic root of 23243736 is about 285.3877394047.

Adding to 23243736 its reverse (63734232), we get a palindrome (86977968).

The spelling of 23243736 in words is "twenty-three million, two hundred forty-three thousand, seven hundred thirty-six".