1440422023 has 2 divisors, whose sum is σ = 1440422024. Its totient is φ = 1440422022.

The previous prime is 1440422021. The next prime is 1440422059. The reversal of 1440422023 is 3202240441.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3202240441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1440422023 - 2¹ = 1440422021 is a prime.

Together with 1440422021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1440421985 and 1440422003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440422021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720211011 + 720211012.

It is an arithmetic number, because the mean of its divisors is an integer number (720211012).

Almost surely, 2^1440422023 is an apocalyptic number.

1440422023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440422023 is an equidigital number, since it uses as much as digits as its factorization.

1440422023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1440422023 is about 37952.8921559346. The cubic root of 1440422023 is about 1129.3535402288.

Adding to 1440422023 its reverse (3202240441), we get a palindrome (4642662464).

The spelling of 1440422023 in words is "one billion, four hundred forty million, four hundred twenty-two thousand, twenty-three".