2729423 has 2 divisors, whose sum is σ = 2729424. Its totient is φ = 2729422.

The previous prime is 2729417. The next prime is 2729429. The reversal of 2729423 is 3249272.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2729417) and next prime (2729429).

It is a cyclic number.

It is not a de Polignac number, because 2729423 - 2⁶ = 2729359 is a prime.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 2¹² + 7⁵ + 2¹⁶ + 9² + 4 + 2²⁰ + 3¹³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2729429) 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, 1364711 + 1364712.

It is an arithmetic number, because the mean of its divisors is an integer number (1364712).

2^2729423 is an apocalyptic number.

2729423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2729423 is an equidigital number, since it uses as much as digits as its factorization.

2729423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The square root of 2729423 is about 1652.0965468156. The cubic root of 2729423 is about 139.7516515476.

The spelling of 2729423 in words is "two million, seven hundred twenty-nine thousand, four hundred twenty-three".