2765123 has 2 divisors, whose sum is σ = 2765124. Its totient is φ = 2765122.

The previous prime is 2765117. The next prime is 2765131. The reversal of 2765123 is 3215672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2765123 - 2¹² = 2761027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2765092 and 2765101.

It is not a weakly prime, because it can be changed into another prime (2765143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1382561 + 1382562.

It is an arithmetic number, because the mean of its divisors is an integer number (1382562).

2^2765123 is an apocalyptic number.

2765123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2765123 is an equidigital number, since it uses as much as digits as its factorization.

2765123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 2765123 is about 1662.8658995842. The cubic root of 2765123 is about 140.3583168333.

The spelling of 2765123 in words is "two million, seven hundred sixty-five thousand, one hundred twenty-three".