23121343332 has 36 divisors (see below), whose sum is σ = 58450392000. Its totient is φ = 7706484912.

The previous prime is 23121343309. The next prime is 23121343361. The reversal of 23121343332 is 23334312132.

23121343332 is a `hidden beast` number, since 2 + 312 + 1 + 343 + 3 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 23121343296 and 23121343305.

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, 684169 + ... + 717167.

It is an arithmetic number, because the mean of its divisors is an integer number (1623622000).

Almost surely, 2^23121343332 is an apocalyptic number.

It is an amenable number.

23121343332 is an abundant number, since it is smaller than the sum of its proper divisors (35329048668).

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

23121343332 is a wasteful number, since it uses less digits than its factorization.

23121343332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52472 (or 52467 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 23121343332 its reverse (23334312132), we get a palindrome (46455655464).

The spelling of 23121343332 in words is "twenty-three billion, one hundred twenty-one million, three hundred forty-three thousand, three hundred thirty-two".