23211321333 has 16 divisors (see below), whose sum is σ = 31821248640. Its totient is φ = 15038761536.

The previous prime is 23211321323. The next prime is 23211321377. The reversal of 23211321333 is 33312311232.

It is not a de Polignac number, because 23211321333 - 2¹² = 23211317237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211321323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21873 + ... + 216566.

It is an arithmetic number, because the mean of its divisors is an integer number (1988828040).

Almost surely, 2^23211321333 is an apocalyptic number.

It is an amenable number.

23211321333 is a deficient number, since it is larger than the sum of its proper divisors (8609927307).

23211321333 is a wasteful number, since it uses less digits than its factorization.

23211321333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239356.

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

Adding to 23211321333 its reverse (33312311232), we get a palindrome (56523632565).

The spelling of 23211321333 in words is "twenty-three billion, two hundred eleven million, three hundred twenty-one thousand, three hundred thirty-three".