23433228 has 144 divisors (see below), whose sum is σ = 76317696. Its totient is φ = 5892480.

The previous prime is 23433227. The next prime is 23433229. The reversal of 23433228 is 82233432.

23433228 is a `hidden beast` number, since 2 + 3 + 433 + 228 = 666.

It is an interprime number because it is at equal distance from previous prime (23433227) and next prime (23433229).

It is not an unprimeable number, because it can be changed into a prime (23433227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75193 + ... + 75503.

It is an arithmetic number, because the mean of its divisors is an integer number (529984).

Almost surely, 2^23433228 is an apocalyptic number.

23433228 is a gapful number since it is divisible by the number (28) 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 23433228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38158848).

23433228 is an abundant number, since it is smaller than the sum of its proper divisors (52884468).

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

23433228 is a wasteful number, since it uses less digits than its factorization.

23433228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 359 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 23433228 is about 4840.7879523896. The cubic root of 23433228 is about 286.1611721356.

The spelling of 23433228 in words is "twenty-three million, four hundred thirty-three thousand, two hundred twenty-eight".