316120223 has 4 divisors (see below), whose sum is σ = 317245488. Its totient is φ = 314994960.

The previous prime is 316120201. The next prime is 316120247. The reversal of 316120223 is 322021613.

It is a happy number.

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 316120223 - 2¹² = 316116127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316120195 and 316120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316120723) 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, 562211 + ... + 562772.

It is an arithmetic number, because the mean of its divisors is an integer number (79311372).

Almost surely, 2^316120223 is an apocalyptic number.

316120223 is a deficient number, since it is larger than the sum of its proper divisors (1125265).

316120223 is a wasteful number, since it uses less digits than its factorization.

316120223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125264.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 316120223 is about 17779.7700491317. The cubic root of 316120223 is about 681.2148288326.

Adding to 316120223 its reverse (322021613), we get a palindrome (638141836).

The spelling of 316120223 in words is "three hundred sixteen million, one hundred twenty thousand, two hundred twenty-three".