23033232 has 90 divisors (see below), whose sum is σ = 68963778. Its totient is φ = 7151616.

The previous prime is 23033201. The next prime is 23033291. The reversal of 23033232 is 23233032.

It can be written as a sum of positive squares in 3 ways, for example, as 5089536 + 17943696 = 2256^2 + 4236^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 237408 + ... + 237504.

Almost surely, 2^23033232 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 23033232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34481889).

23033232 is an abundant number, since it is smaller than the sum of its proper divisors (45930546).

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

23033232 is a wasteful number, since it uses less digits than its factorization.

23033232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 23033232 is about 4799.2949482190. The cubic root of 23033232 is about 284.5235992997.

Adding to 23033232 its reverse (23233032), we get a palindrome (46266264).

The spelling of 23033232 in words is "twenty-three million, thirty-three thousand, two hundred thirty-two".