21233134183 has 2 divisors, whose sum is σ = 21233134184. Its totient is φ = 21233134182.

The previous prime is 21233134061. The next prime is 21233134199. The reversal of 21233134183 is 38143133212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21233134183 - 2²⁹ = 20696263271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21233134883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616567091 + 10616567092.

It is an arithmetic number, because the mean of its divisors is an integer number (10616567092).

Almost surely, 2^21233134183 is an apocalyptic number.

21233134183 is a deficient number, since it is larger than the sum of its proper divisors (1).

21233134183 is an equidigital number, since it uses as much as digits as its factorization.

21233134183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

Adding to 21233134183 its reverse (38143133212), we get a palindrome (59376267395).

The spelling of 21233134183 in words is "twenty-one billion, two hundred thirty-three million, one hundred thirty-four thousand, one hundred eighty-three".