23133212232 has 64 divisors (see below), whose sum is σ = 62438940480. Its totient is φ = 7099944192.

The previous prime is 23133212227. The next prime is 23133212233. The reversal of 23133212232 is 23221233132.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 (23133212233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30483 + ... + 217245.

It is an arithmetic number, because the mean of its divisors is an integer number (975608445).

Almost surely, 2^23133212232 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 23133212232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31219470240).

23133212232 is an abundant number, since it is smaller than the sum of its proper divisors (39305728248).

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

23133212232 is a wasteful number, since it uses less digits than its factorization.

23133212232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187182 (or 187178 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

Adding to 23133212232 its reverse (23221233132), we get a palindrome (46354445364).

The spelling of 23133212232 in words is "twenty-three billion, one hundred thirty-three million, two hundred twelve thousand, two hundred thirty-two".