616323 has 4 divisors (see below), whose sum is σ = 821768. Its totient is φ = 410880.

The previous prime is 616321. The next prime is 616327. The reversal of 616323 is 323616.

616323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 616323 - 2¹ = 616321 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 616323.

It is not an unprimeable number, because it can be changed into a prime (616321) 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, 102718 + ... + 102723.

It is an arithmetic number, because the mean of its divisors is an integer number (205442).

2⁶¹⁶³²³ is an apocalyptic number.

616323 is a deficient number, since it is larger than the sum of its proper divisors (205445).

616323 is a wasteful number, since it uses less digits than its factorization.

616323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205444.

The product of its digits is 648, while the sum is 21.

The square root of 616323 is about 785.0624179006. The cubic root of 616323 is about 85.1012864098.

Adding to 616323 its reverse (323616), we get a palindrome (939939).

It can be divided in two parts, 616 and 323, that added together give a palindrome (939).

The spelling of 616323 in words is "six hundred sixteen thousand, three hundred twenty-three".