311223022023 has 8 divisors (see below), whose sum is σ = 422793539568. Its totient is φ = 203567259584.

The previous prime is 311223022021. The next prime is 311223022031. The reversal of 311223022023 is 320220322113.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 311223022023 - 2¹ = 311223022021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311223022021) 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, 978688590 + ... + 978688907.

It is an arithmetic number, because the mean of its divisors is an integer number (52849192446).

Almost surely, 2^311223022023 is an apocalyptic number.

311223022023 is a deficient number, since it is larger than the sum of its proper divisors (111570517545).

311223022023 is a wasteful number, since it uses less digits than its factorization.

311223022023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957377553.

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

Adding to 311223022023 its reverse (320220322113), we get a palindrome (631443344136).

The spelling of 311223022023 in words is "three hundred eleven billion, two hundred twenty-three million, twenty-two thousand, twenty-three".