23133488 has 60 divisors (see below), whose sum is σ = 54918360. Its totient is φ = 9386496.

The previous prime is 23133437. The next prime is 23133497. The reversal of 23133488 is 88433132.

It is a happy number.

It is a super-2 number, since 2×23133488² = 1070316534092288, which contains 22 as substring.

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, 14120 + ... + 15672.

It is an arithmetic number, because the mean of its divisors is an integer number (915306).

Almost surely, 2^23133488 is an apocalyptic number.

23133488 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 23133488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27459180).

23133488 is an abundant number, since it is smaller than the sum of its proper divisors (31784872).

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

23133488 is a wasteful number, since it uses less digits than its factorization.

23133488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594 (or 1581 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 23133488 is about 4809.7284746647. The cubic root of 23133488 is about 284.9358140055.

The spelling of 23133488 in words is "twenty-three million, one hundred thirty-three thousand, four hundred eighty-eight".