312223623 has 8 divisors (see below), whose sum is σ = 420420336. Its totient is φ = 206088000.

The previous prime is 312223621. The next prime is 312223631. The reversal of 312223623 is 326322213.

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

It is not a de Polignac number, because 312223623 - 2¹ = 312223621 is a prime.

It is a super-2 number, since 2×312223623² = 194967181518492258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312223593 and 312223602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312223621) 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, 514918 + ... + 515523.

It is an arithmetic number, because the mean of its divisors is an integer number (52552542).

Almost surely, 2^312223623 is an apocalyptic number.

312223623 is a deficient number, since it is larger than the sum of its proper divisors (108196713).

312223623 is a wasteful number, since it uses less digits than its factorization.

312223623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030545.

The product of its digits is 2592, while the sum is 24.

The square root of 312223623 is about 17669.8506784862. The cubic root of 312223623 is about 678.4042911173.

Adding to 312223623 its reverse (326322213), we get a palindrome (638545836).

The spelling of 312223623 in words is "three hundred twelve million, two hundred twenty-three thousand, six hundred twenty-three".