1223023013323 has 4 divisors (see below), whose sum is σ = 1223025726328. Its totient is φ = 1223020300320.

The previous prime is 1223023013297. The next prime is 1223023013341. The reversal of 1223023013323 is 3233103203221.

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 1223023013323 - 2⁹ = 1223023012811 is a prime.

It is a super-2 number, since 2×1223023013323² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223023043323) 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, 500061 + ... + 1641982.

It is an arithmetic number, because the mean of its divisors is an integer number (305756431582).

Almost surely, 2^{1223023013323} is an apocalyptic number.

1223023013323 is a deficient number, since it is larger than the sum of its proper divisors (2713005).

1223023013323 is an equidigital number, since it uses as much as digits as its factorization.

1223023013323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2713004.

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

Adding to 1223023013323 its reverse (3233103203221), we get a palindrome (4456126216544).

The spelling of 1223023013323 in words is "one trillion, two hundred twenty-three billion, twenty-three million, thirteen thousand, three hundred twenty-three".