6613123 has 4 divisors (see below), whose sum is σ = 7214328. Its totient is φ = 6011920.

The previous prime is 6613111. The next prime is 6613129. The reversal of 6613123 is 3213166.

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 6613123 - 2⁵ = 6613091 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 6613094 and 6613103.

It is not an unprimeable number, because it can be changed into a prime (6613129) 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, 300586 + ... + 300607.

It is an arithmetic number, because the mean of its divisors is an integer number (1803582).

Almost surely, 2^6613123 is an apocalyptic number.

6613123 is a deficient number, since it is larger than the sum of its proper divisors (601205).

6613123 is a wasteful number, since it uses less digits than its factorization.

6613123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601204.

The product of its digits is 648, while the sum is 22.

The square root of 6613123 is about 2571.5993078238. The cubic root of 6613123 is about 187.7019855908.

Adding to 6613123 its reverse (3213166), we get a palindrome (9826289).

The spelling of 6613123 in words is "six million, six hundred thirteen thousand, one hundred twenty-three".