616313123 has 4 divisors (see below), whose sum is σ = 616637208. Its totient is φ = 615989040.

The previous prime is 616313119. The next prime is 616313147. The reversal of 616313123 is 321313616.

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 616313123 - 2² = 616313119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 616313092 and 616313101.

It is not an unprimeable number, because it can be changed into a prime (616313183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159173 + ... + 162998.

It is an arithmetic number, because the mean of its divisors is an integer number (154159302).

Almost surely, 2^616313123 is an apocalyptic number.

616313123 is a deficient number, since it is larger than the sum of its proper divisors (324085).

616313123 is a wasteful number, since it uses less digits than its factorization.

616313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324084.

The product of its digits is 1944, while the sum is 26.

The square root of 616313123 is about 24825.6545331639. The cubic root of 616313123 is about 851.0083180514.

Adding to 616313123 its reverse (321313616), we get a palindrome (937626739).

The spelling of 616313123 in words is "six hundred sixteen million, three hundred thirteen thousand, one hundred twenty-three".