23252736 has 144 divisors (see below), whose sum is σ = 71082144. Its totient is φ = 6684672.

The previous prime is 23252731. The next prime is 23252737. The reversal of 23252736 is 63725232.

It is a super-3 number, since 3×23252736³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23252731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169660 + ... + 169796.

It is an arithmetic number, because the mean of its divisors is an integer number (493626).

Almost surely, 2^23252736 is an apocalyptic number.

23252736 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23252736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35541072).

23252736 is an abundant number, since it is smaller than the sum of its proper divisors (47829408).

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

23252736 is a wasteful number, since it uses less digits than its factorization.

23252736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 172 counting only the distinct ones).

The product of its digits is 15120, while the sum is 30.

The square root of 23252736 is about 4822.1090821341. The cubic root of 23252736 is about 285.4245687999.

Adding to 23252736 its reverse (63725232), we get a palindrome (86977968).

The spelling of 23252736 in words is "twenty-three million, two hundred fifty-two thousand, seven hundred thirty-six".