23233040 has 80 divisors (see below), whose sum is σ = 56996352. Its totient is φ = 8796672.

The previous prime is 23233037. The next prime is 23233061. The reversal of 23233040 is 4033232.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139037 + ... + 139203.

Almost surely, 2^23233040 is an apocalyptic number.

23233040 is a gapful number since it is divisible by the number (20) 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 23233040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28498176).

23233040 is an abundant number, since it is smaller than the sum of its proper divisors (33763312).

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

23233040 is a wasteful number, since it uses less digits than its factorization.

23233040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 23233040 is about 4820.0663895843. The cubic root of 23233040 is about 285.3439573494.

Adding to 23233040 its reverse (4033232), we get a palindrome (27266272).

The spelling of 23233040 in words is "twenty-three million, two hundred thirty-three thousand, forty".