21323130232033 has 8 divisors (see below), whose sum is σ = 24369398615168. Its totient is φ = 18276888579264.

The previous prime is 21323130232031. The next prime is 21323130232037. The reversal of 21323130232033 is 33023203132312.

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

It is not a de Polignac number, because 21323130232033 - 2¹ = 21323130232031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21323130231992 and 21323130232010.

It is not an unprimeable number, because it can be changed into a prime (21323130232031) 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, 4943016 + ... + 8190217.

It is an arithmetic number, because the mean of its divisors is an integer number (3046174826896).

Almost surely, 2^{21323130232033} is an apocalyptic number.

It is an amenable number.

21323130232033 is a deficient number, since it is larger than the sum of its proper divisors (3046268383135).

21323130232033 is a wasteful number, since it uses less digits than its factorization.

21323130232033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13365183.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 21323130232033 its reverse (33023203132312), we get a palindrome (54346333364345).

The spelling of 21323130232033 in words is "twenty-one trillion, three hundred twenty-three billion, one hundred thirty million, two hundred thirty-two thousand, thirty-three".