23232132 has 216 divisors, whose sum is σ = 80458560. Its totient is φ = 5483520.

The previous prime is 23232127. The next prime is 23232133. The reversal of 23232132 is 23123232.

It is a happy number.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (23232133) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 801094 + ... + 801122.

Almost surely, 2^23232132 is an apocalyptic number.

23232132 is a gapful number since it is divisible by the number (22) 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 23232132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40229280).

23232132 is an abundant number, since it is smaller than the sum of its proper divisors (57226428).

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

23232132 is a wasteful number, since it uses less digits than its factorization.

23232132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 69 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 23232132 is about 4819.9721990899. The cubic root of 23232132 is about 285.3402400042.

Adding to 23232132 its reverse (23123232), we get a palindrome (46355364).

Subtracting from 23232132 its reverse (23123232), we obtain a square (108900 = 330²).

The spelling of 23232132 in words is "twenty-three million, two hundred thirty-two thousand, one hundred thirty-two".