311320223123 has 8 divisors (see below), whose sum is σ = 383163351648. Its totient is φ = 246319297344.

The previous prime is 311320223113. The next prime is 311320223131. The reversal of 311320223123 is 321322023113.

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 311320223123 - 2⁸ = 311320222867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311320223113) 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, 1710550586 + ... + 1710550767.

It is an arithmetic number, because the mean of its divisors is an integer number (47895418956).

Almost surely, 2^311320223123 is an apocalyptic number.

311320223123 is a deficient number, since it is larger than the sum of its proper divisors (71843128525).

311320223123 is a wasteful number, since it uses less digits than its factorization.

311320223123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421101373.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 311320223123 its reverse (321322023113), we get a palindrome (632642246236).

The spelling of 311320223123 in words is "three hundred eleven billion, three hundred twenty million, two hundred twenty-three thousand, one hundred twenty-three".