23033528 has 48 divisors (see below), whose sum is σ = 51046920. Its totient is φ = 9713088.

The previous prime is 23033519. The next prime is 23033561. The reversal of 23033528 is 82533032.

It is a junction number, because it is equal to n+sod(n) for n = 23033497 and 23033506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25826 + ... + 26702.

Almost surely, 2^23033528 is an apocalyptic number.

23033528 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 23033528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25523460).

23033528 is an abundant number, since it is smaller than the sum of its proper divisors (28013392).

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

23033528 is a wasteful number, since it uses less digits than its factorization.

23033528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 953 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 23033528 is about 4799.3257859829. The cubic root of 23033528 is about 284.5248180985.

The spelling of 23033528 in words is "twenty-three million, thirty-three thousand, five hundred twenty-eight".