2221000123323 has 8 divisors (see below), whose sum is σ = 2970979536448. Its totient is φ = 1475843729544.

The previous prime is 2221000123247. The next prime is 2221000123351. The reversal of 2221000123323 is 3233210001222.

It is a happy number.

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

It is not a de Polignac number, because 2221000123323 - 2¹⁷ = 2220999992251 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 2221000123323.

It is not an unprimeable number, because it can be changed into a prime (2221000113323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205753761 + ... + 1205755602.

It is an arithmetic number, because the mean of its divisors is an integer number (371372442056).

Almost surely, 2^{2221000123323} is an apocalyptic number.

2221000123323 is a deficient number, since it is larger than the sum of its proper divisors (749979413125).

2221000123323 is a wasteful number, since it uses less digits than its factorization.

2221000123323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411509673.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2221000123323 its reverse (3233210001222), we get a palindrome (5454210124545).

The spelling of 2221000123323 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-three thousand, three hundred twenty-three".