1624423 has 2 divisors, whose sum is σ = 1624424. Its totient is φ = 1624422.

The previous prime is 1624417. The next prime is 1624429. The reversal of 1624423 is 3244261.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1624417) and next prime (1624429).

It is an emirp because it is prime and its reverse (3244261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1624423 - 2¹³ = 1616231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1624394 and 1624403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1624429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812211 + 812212.

It is an arithmetic number, because the mean of its divisors is an integer number (812212).

2^1624423 is an apocalyptic number.

1624423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1624423 is an equidigital number, since it uses as much as digits as its factorization.

1624423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 22.

The square root of 1624423 is about 1274.5285402846. The cubic root of 1624423 is about 117.5528176606.

Adding to 1624423 its reverse (3244261), we get a palindrome (4868684).

The spelling of 1624423 in words is "one million, six hundred twenty-four thousand, four hundred twenty-three".