21323233120003 has 4 divisors (see below), whose sum is σ = 21323316276360. Its totient is φ = 21323149963648.

The previous prime is 21323233120001. The next prime is 21323233120051. The reversal of 21323233120003 is 30002133232312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21323233120003 - 2¹ = 21323233120001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21323233120003.

It is not an unprimeable number, because it can be changed into a prime (21323233120001) 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 3 ways as a sum of consecutive naturals, for example, 41192350 + ... + 41706787.

It is an arithmetic number, because the mean of its divisors is an integer number (5330829069090).

Almost surely, 2^{21323233120003} is an apocalyptic number.

21323233120003 is a deficient number, since it is larger than the sum of its proper divisors (83156357).

21323233120003 is an equidigital number, since it uses as much as digits as its factorization.

21323233120003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83156356.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 21323233120003 its reverse (30002133232312), we get a palindrome (51325366352315).

The spelling of 21323233120003 in words is "twenty-one trillion, three hundred twenty-three billion, two hundred thirty-three million, one hundred twenty thousand, three".