1012423 has 2 divisors, whose sum is σ = 1012424. Its totient is φ = 1012422.

The previous prime is 1012421. The next prime is 1012433. The reversal of 1012423 is 3242101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012423 - 2¹ = 1012421 is a prime.

Together with 1012421, it forms a pair of twin primes.

1012423 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012421) 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, 506211 + 506212.

It is an arithmetic number, because the mean of its divisors is an integer number (506212).

2^1012423 is an apocalyptic number.

1012423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012423 is an equidigital number, since it uses as much as digits as its factorization.

1012423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1012423 is about 1006.1923275398. The cubic root of 1012423 is about 100.4123969497.

Adding to 1012423 its reverse (3242101), we get a palindrome (4254524).

The spelling of 1012423 in words is "one million, twelve thousand, four hundred twenty-three".