23433816 has 32 divisors (see below), whose sum is σ = 66954240. Its totient is φ = 6695328.

The previous prime is 23433811. The next prime is 23433829. The reversal of 23433816 is 61833432.

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 (23433811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69576 + ... + 69911.

It is an arithmetic number, because the mean of its divisors is an integer number (2092320).

Almost surely, 2^23433816 is an apocalyptic number.

It is an amenable number.

23433816 is an abundant number, since it is smaller than the sum of its proper divisors (43520424).

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

23433816 is a wasteful number, since it uses less digits than its factorization.

23433816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139503 (or 139499 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 23433816 is about 4840.8486859227. The cubic root of 23433816 is about 286.1635656224.

The spelling of 23433816 in words is "twenty-three million, four hundred thirty-three thousand, eight hundred sixteen".