2761423 has 4 divisors (see below), whose sum is σ = 3155920. Its totient is φ = 2366928.

The previous prime is 2761411. The next prime is 2761439. The reversal of 2761423 is 3241672.

2761423 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 is a cyclic number.

It is not a de Polignac number, because 2761423 - 2¹⁷ = 2630351 is a prime.

It is a Duffinian number.

2761423 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2761453) 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, 197238 + ... + 197251.

It is an arithmetic number, because the mean of its divisors is an integer number (788980).

2^2761423 is an apocalyptic number.

2761423 is a deficient number, since it is larger than the sum of its proper divisors (394497).

2761423 is an equidigital number, since it uses as much as digits as its factorization.

2761423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394496.

The product of its digits is 2016, while the sum is 25.

The square root of 2761423 is about 1661.7529900680. The cubic root of 2761423 is about 140.2956845886.

Subtracting 2761423 from its reverse (3241672), we obtain a square (480249 = 693²).

The spelling of 2761423 in words is "two million, seven hundred sixty-one thousand, four hundred twenty-three".