23433216 has 52 divisors (see below), whose sum is σ = 62513712. Its totient is φ = 7806976.

The previous prime is 23433197. The next prime is 23433227. The reversal of 23433216 is 61233432.

It is a super-2 number, since 2×23433216² = 1098231224205312, which contains 22 as substring.

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 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 3 ways as a sum of consecutive naturals, for example, 11335 + ... + 13241.

Almost surely, 2^23433216 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 23433216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31256856).

23433216 is an abundant number, since it is smaller than the sum of its proper divisors (39080496).

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

23433216 is an equidigital number, since it uses as much as digits as its factorization.

23433216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934 (or 1912 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

The square root of 23433216 is about 4840.7867129218. The cubic root of 23433216 is about 286.1611232885.

Adding to 23433216 its reverse (61233432), we get a palindrome (84666648).

The spelling of 23433216 in words is "twenty-three million, four hundred thirty-three thousand, two hundred sixteen".