21113000133323 has 8 divisors (see below), whose sum is σ = 24134564106240. Its totient is φ = 18092791434600.

The previous prime is 21113000133233. The next prime is 21113000133359. The reversal of 21113000133323 is 32333100031112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21113000133323 - 2¹⁸ = 21112999871179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21113000133373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338785163 + ... + 338847476.

It is an arithmetic number, because the mean of its divisors is an integer number (3016820513280).

Almost surely, 2^{21113000133323} is an apocalyptic number.

21113000133323 is a deficient number, since it is larger than the sum of its proper divisors (3021563972917).

21113000133323 is an equidigital number, since it uses as much as digits as its factorization.

21113000133323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677637097.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 21113000133323 its reverse (32333100031112), we get a palindrome (53446100164435).

The spelling of 21113000133323 in words is "twenty-one trillion, one hundred thirteen billion, one hundred thirty-three thousand, three hundred twenty-three".