1229023 has 2 divisors, whose sum is σ = 1229024. Its totient is φ = 1229022.

The previous prime is 1229021. The next prime is 1229071. The reversal of 1229023 is 3209221.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3209221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1229023 - 2¹ = 1229021 is a prime.

Together with 1229021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1229021) 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, 614511 + 614512.

It is an arithmetic number, because the mean of its divisors is an integer number (614512).

2^1229023 is an apocalyptic number.

1229023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1229023 is an equidigital number, since it uses as much as digits as its factorization.

1229023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1229023 is about 1108.6130975232. The cubic root of 1229023 is about 107.1157509419.

The spelling of 1229023 in words is "one million, two hundred twenty-nine thousand, twenty-three".