23133336 has 64 divisors (see below), whose sum is σ = 61622400. Its totient is φ = 7216128.

The previous prime is 23133323. The next prime is 23133359. The reversal of 23133336 is 63333132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43971 + ... + 44493.

It is an arithmetic number, because the mean of its divisors is an integer number (962850).

Almost surely, 2^23133336 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 23133336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30811200).

23133336 is an abundant number, since it is smaller than the sum of its proper divisors (38489064).

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

23133336 is a wasteful number, since it uses less digits than its factorization.

23133336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 644 counting only the distinct ones).

The product of its digits is 2916, while the sum is 24.

The square root of 23133336 is about 4809.7126733309. The cubic root of 23133336 is about 284.9351899414.

Adding to 23133336 its reverse (63333132), we get a palindrome (86466468).

The spelling of 23133336 in words is "twenty-three million, one hundred thirty-three thousand, three hundred thirty-six".