2775423 has 16 divisors (see below), whose sum is σ = 4262400. Its totient is φ = 1573536.

The previous prime is 2775391. The next prime is 2775431. The reversal of 2775423 is 3245772.

It is not a de Polignac number, because 2775423 - 2⁵ = 2775391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2686 + ... + 3572.

It is an arithmetic number, because the mean of its divisors is an integer number (266400).

2^2775423 is an apocalyptic number.

2775423 is a deficient number, since it is larger than the sum of its proper divisors (1486977).

2775423 is a wasteful number, since it uses less digits than its factorization.

2775423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046.

The product of its digits is 11760, while the sum is 30.

The square root of 2775423 is about 1665.9600835554. The cubic root of 2775423 is about 140.5323777240.

The spelling of 2775423 in words is "two million, seven hundred seventy-five thousand, four hundred twenty-three".