2851423 has 2 divisors, whose sum is σ = 2851424. Its totient is φ = 2851422.

The previous prime is 2851421. The next prime is 2851441. The reversal of 2851423 is 3241582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2851423 - 2¹ = 2851421 is a prime.

It is a super-2 number, since 2×2851423² = 16261226249858, which contains 22 as substring.

Together with 2851421, it forms a pair of twin primes.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2851421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1425711 + 1425712.

It is an arithmetic number, because the mean of its divisors is an integer number (1425712).

2^2851423 is an apocalyptic number.

2851423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2851423 is an equidigital number, since it uses as much as digits as its factorization.

2851423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 25.

The square root of 2851423 is about 1688.6157052450. The cubic root of 2851423 is about 141.8035868096.

The spelling of 2851423 in words is "two million, eight hundred fifty-one thousand, four hundred twenty-three".