23288688 has 160 divisors (see below), whose sum is σ = 72376320. Its totient is φ = 7153920.

The previous prime is 23288687. The next prime is 23288701. The reversal of 23288688 is 88688232.

It is a super-2 number, since 2×23288688² = 1084725977522688, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23288687) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 495481 + ... + 495527.

It is an arithmetic number, because the mean of its divisors is an integer number (452352).

Almost surely, 2^23288688 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 23288688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36188160).

23288688 is an abundant number, since it is smaller than the sum of its proper divisors (49087632).

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

23288688 is a wasteful number, since it uses less digits than its factorization.

23288688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 120 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 23288688 is about 4825.8354717085. The cubic root of 23288688 is about 285.5715952260.

The spelling of 23288688 in words is "twenty-three million, two hundred eighty-eight thousand, six hundred eighty-eight".