2311202313223 has 4 divisors (see below), whose sum is σ = 2332406004280. Its totient is φ = 2289998622168.

The previous prime is 2311202313193. The next prime is 2311202313263. The reversal of 2311202313223 is 3223132021132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2311202313223 is a prime.

It is a super-2 number, since 2×2311202313223² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311202313263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10601845365 + ... + 10601845582.

It is an arithmetic number, because the mean of its divisors is an integer number (583101501070).

Almost surely, 2^{2311202313223} is an apocalyptic number.

2311202313223 is a deficient number, since it is larger than the sum of its proper divisors (21203691057).

2311202313223 is a wasteful number, since it uses less digits than its factorization.

2311202313223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21203691056.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2311202313223 its reverse (3223132021132), we get a palindrome (5534334334355).

The spelling of 2311202313223 in words is "two trillion, three hundred eleven billion, two hundred two million, three hundred thirteen thousand, two hundred twenty-three".