23212133133 has 16 divisors (see below), whose sum is σ = 35384469120. Its totient is φ = 13258976256.

The previous prime is 23212133129. The next prime is 23212133141. The reversal of 23212133133 is 33133121232.

It is not a de Polignac number, because 23212133133 - 2² = 23212133129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212133143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156228 + ... + 266141.

It is an arithmetic number, because the mean of its divisors is an integer number (2211529320).

Almost surely, 2^23212133133 is an apocalyptic number.

It is an amenable number.

23212133133 is a deficient number, since it is larger than the sum of its proper divisors (12172335987).

23212133133 is a wasteful number, since it uses less digits than its factorization.

23212133133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424996.

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

Adding to 23212133133 its reverse (33133121232), we get a palindrome (56345254365).

The spelling of 23212133133 in words is "twenty-three billion, two hundred twelve million, one hundred thirty-three thousand, one hundred thirty-three".