2611123 has 2 divisors, whose sum is σ = 2611124. Its totient is φ = 2611122.

The previous prime is 2611117. The next prime is 2611139. The reversal of 2611123 is 3211162.

It is an a-pointer prime, because the next prime (2611139) can be obtained adding 2611123 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2611123 - 2⁹ = 2610611 is a prime.

It is a super-2 number, since 2×2611123² = 13635926642258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2611097 and 2611106.

It is not a weakly prime, because it can be changed into another prime (2611723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1305561 + 1305562.

It is an arithmetic number, because the mean of its divisors is an integer number (1305562).

2^2611123 is an apocalyptic number.

2611123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2611123 is an equidigital number, since it uses as much as digits as its factorization.

2611123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 16.

The square root of 2611123 is about 1615.8969645370. The cubic root of 2611123 is about 137.7026960894.

Adding to 2611123 its reverse (3211162), we get a palindrome (5822285).

The spelling of 2611123 in words is "two million, six hundred eleven thousand, one hundred twenty-three".