22012310021323 has 4 divisors (see below), whose sum is σ = 22055556210480. Its totient is φ = 21969063832168.

The previous prime is 22012310021297. The next prime is 22012310021329. The reversal of 22012310021323 is 32312001321022.

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 22012310021323 - 2²⁵ = 22012276466891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22012310021294 and 22012310021303.

It is not an unprimeable number, because it can be changed into a prime (22012310021329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21623093815 + ... + 21623094832.

It is an arithmetic number, because the mean of its divisors is an integer number (5513889052620).

Almost surely, 2^{22012310021323} is an apocalyptic number.

22012310021323 is a deficient number, since it is larger than the sum of its proper divisors (43246189157).

22012310021323 is an equidigital number, since it uses as much as digits as its factorization.

22012310021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43246189156.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 22012310021323 its reverse (32312001321022), we get a palindrome (54324311342345).

The spelling of 22012310021323 in words is "twenty-two trillion, twelve billion, three hundred ten million, twenty-one thousand, three hundred twenty-three".