23211331332 has 24 divisors (see below), whose sum is σ = 61896883776. Its totient is φ = 6631808928.

The previous prime is 23211331309. The next prime is 23211331343. The reversal of 23211331332 is 23313311232.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138162603 + ... + 138162770.

It is an arithmetic number, because the mean of its divisors is an integer number (2579036824).

Almost surely, 2^23211331332 is an apocalyptic number.

It is an amenable number.

23211331332 is an abundant number, since it is smaller than the sum of its proper divisors (38685552444).

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

23211331332 is a wasteful number, since it uses less digits than its factorization.

23211331332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276325387 (or 276325385 counting only the distinct ones).

The product of its digits is 1944, while the sum is 24.

Adding to 23211331332 its reverse (23313311232), we get a palindrome (46524642564).

The spelling of 23211331332 in words is "twenty-three billion, two hundred eleven million, three hundred thirty-one thousand, three hundred thirty-two".