312023223 has 6 divisors (see below), whose sum is σ = 450700224. Its totient is φ = 208015476.

The previous prime is 312023197. The next prime is 312023233. The reversal of 312023223 is 322320213.

It is a happy number.

It is not a de Polignac number, because 312023223 - 2⁵ = 312023191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312023196 and 312023205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312023233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17334615 + ... + 17334632.

It is an arithmetic number, because the mean of its divisors is an integer number (75116704).

Almost surely, 2^312023223 is an apocalyptic number.

312023223 is a deficient number, since it is larger than the sum of its proper divisors (138677001).

312023223 is a wasteful number, since it uses less digits than its factorization.

312023223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34669253 (or 34669250 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 312023223 is about 17664.1790921628. The cubic root of 312023223 is about 678.2591159852.

Adding to 312023223 its reverse (322320213), we get a palindrome (634343436).

The spelling of 312023223 in words is "three hundred twelve million, twenty-three thousand, two hundred twenty-three".