1912423 has 2 divisors, whose sum is σ = 1912424. Its totient is φ = 1912422.

The previous prime is 1912387. The next prime is 1912429. The reversal of 1912423 is 3242191.

It is a strong prime.

It is an emirp because it is prime and its reverse (3242191) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1912423 - 2⁹ = 1911911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1912394 and 1912403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1912429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956211 + 956212.

It is an arithmetic number, because the mean of its divisors is an integer number (956212).

2^1912423 is an apocalyptic number.

1912423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1912423 is an equidigital number, since it uses as much as digits as its factorization.

1912423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 22.

The square root of 1912423 is about 1382.9038289050. The cubic root of 1912423 is about 124.1255881610.

The spelling of 1912423 in words is "one million, nine hundred twelve thousand, four hundred twenty-three".