1422523 has 2 divisors, whose sum is σ = 1422524. Its totient is φ = 1422522.

The previous prime is 1422521. The next prime is 1422541. The reversal of 1422523 is 3252241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1422523 - 2¹ = 1422521 is a prime.

Together with 1422521, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1422523.

It is not a weakly prime, because it can be changed into another prime (1422521) 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, 711261 + 711262.

It is an arithmetic number, because the mean of its divisors is an integer number (711262).

2^1422523 is an apocalyptic number.

1422523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422523 is an equidigital number, since it uses as much as digits as its factorization.

1422523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 19.

The square root of 1422523 is about 1192.6956862503. The cubic root of 1422523 is about 112.4656158294.

Adding to 1422523 its reverse (3252241), we get a palindrome (4674764).

The spelling of 1422523 in words is "one million, four hundred twenty-two thousand, five hundred twenty-three".