311123050423 has 4 divisors (see below), whose sum is σ = 321159277888. Its totient is φ = 301086822960.

The previous prime is 311123050417. The next prime is 311123050463. The reversal of 311123050423 is 324050321113.

It is a happy number.

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

It is not a de Polignac number, because 311123050423 - 2¹⁷ = 311122919351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311123050463) 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, 5018113686 + ... + 5018113747.

It is an arithmetic number, because the mean of its divisors is an integer number (80289819472).

Almost surely, 2^311123050423 is an apocalyptic number.

311123050423 is a deficient number, since it is larger than the sum of its proper divisors (10036227465).

311123050423 is a wasteful number, since it uses less digits than its factorization.

311123050423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10036227464.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 311123050423 its reverse (324050321113), we get a palindrome (635173371536).

The spelling of 311123050423 in words is "three hundred eleven billion, one hundred twenty-three million, fifty thousand, four hundred twenty-three".