21233310343323 has 32 divisors (see below), whose sum is σ = 32273688733440. Its totient is φ = 12322681096320.

The previous prime is 21233310343309. The next prime is 21233310343337. The reversal of 21233310343323 is 32334301333212.

It is an interprime number because it is at equal distance from previous prime (21233310343309) and next prime (21233310343337).

It is not a de Polignac number, because 21233310343323 - 2²² = 21233306149019 is a prime.

It is a super-2 number, since 2×21233310343323² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21233310343373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218252833 + ... + 218350098.

It is an arithmetic number, because the mean of its divisors is an integer number (1008552772920).

Almost surely, 2^{21233310343323} is an apocalyptic number.

21233310343323 is a deficient number, since it is larger than the sum of its proper divisors (11040378390117).

21233310343323 is a wasteful number, since it uses less digits than its factorization.

21233310343323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436603019.

The product of its (nonzero) digits is 69984, while the sum is 33.

Adding to 21233310343323 its reverse (32334301333212), we get a palindrome (53567611676535).

The spelling of 21233310343323 in words is "twenty-one trillion, two hundred thirty-three billion, three hundred ten million, three hundred forty-three thousand, three hundred twenty-three".