2123767 has 2 divisors, whose sum is σ = 2123768. Its totient is φ = 2123766.

The previous prime is 2123761. The next prime is 2123773. The reversal of 2123767 is 7673212.

It is a balanced prime because it is at equal distance from previous prime (2123761) and next prime (2123773).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123767 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123761) 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 as a sum of consecutive naturals, namely, 1061883 + 1061884.

It is an arithmetic number, because the mean of its divisors is an integer number (1061884).

2^2123767 is an apocalyptic number.

2123767 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123767 is an equidigital number, since it uses as much as digits as its factorization.

2123767 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2123767 is about 1457.3149968349. The cubic root of 2123767 is about 128.5392089165.

Adding to 2123767 its reverse (7673212), we get a palindrome (9796979).

The spelling of 2123767 in words is "two million, one hundred twenty-three thousand, seven hundred sixty-seven".