11321221323023 has 4 divisors (see below), whose sum is σ = 11534829272568. Its totient is φ = 11107613373480.

The previous prime is 11321221322953. The next prime is 11321221323029. The reversal of 11321221323023 is 32032312212311.

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 11321221323023 - 2¹⁶ = 11321221257487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11321221322983 and 11321221323001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321221323029) 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, 106803974693 + ... + 106803974798.

It is an arithmetic number, because the mean of its divisors is an integer number (2883707318142).

Almost surely, 2^{11321221323023} is an apocalyptic number.

11321221323023 is a deficient number, since it is larger than the sum of its proper divisors (213607949545).

11321221323023 is an equidigital number, since it uses as much as digits as its factorization.

11321221323023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213607949544.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 11321221323023 its reverse (32032312212311), we get a palindrome (43353533535334).

The spelling of 11321221323023 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-one million, three hundred twenty-three thousand, twenty-three".