21323311231233 has 8 divisors (see below), whose sum is σ = 31015725427296. Its totient is φ = 12923218928000.

The previous prime is 21323311231219. The next prime is 21323311231241. The reversal of 21323311231233 is 33213211332312.

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 21323311231233 - 2³³ = 21314721296641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21323311231233.

It is not an unprimeable number, because it can be changed into a prime (21323311231213) 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 7 ways as a sum of consecutive naturals, for example, 323080473168 + ... + 323080473233.

It is an arithmetic number, because the mean of its divisors is an integer number (3876965678412).

Almost surely, 2^{21323311231233} is an apocalyptic number.

It is an amenable number.

21323311231233 is a deficient number, since it is larger than the sum of its proper divisors (9692414196063).

21323311231233 is a wasteful number, since it uses less digits than its factorization.

21323311231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646160946415.

The product of its digits is 11664, while the sum is 30.

Adding to 21323311231233 its reverse (33213211332312), we get a palindrome (54536522563545).

The spelling of 21323311231233 in words is "twenty-one trillion, three hundred twenty-three billion, three hundred eleven million, two hundred thirty-one thousand, two hundred thirty-three".