2123677 has 4 divisors (see below), whose sum is σ = 2175516. Its totient is φ = 2071840.

The previous prime is 2123669. The next prime is 2123683. The reversal of 2123677 is 7763212.

2123677 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 can be written as a sum of positive squares in 2 ways, for example, as 244036 + 1879641 = 494^2 + 1371^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123677 - 2³ = 2123669 is a prime.

It is a super-3 number, since 3×2123677³ = 28733375296220069199, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25858 + ... + 25939.

It is an arithmetic number, because the mean of its divisors is an integer number (543879).

2^2123677 is an apocalyptic number.

It is an amenable number.

2123677 is a deficient number, since it is larger than the sum of its proper divisors (51839).

2123677 is an equidigital number, since it uses as much as digits as its factorization.

2123677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51838.

The product of its digits is 3528, while the sum is 28.

The square root of 2123677 is about 1457.2841178027. The cubic root of 2123677 is about 128.5373931661.

Adding to 2123677 its reverse (7763212), we get a palindrome (9886889).

The spelling of 2123677 in words is "two million, one hundred twenty-three thousand, six hundred seventy-seven".