1423423427 has 2 divisors, whose sum is σ = 1423423428. Its totient is φ = 1423423426.

The previous prime is 1423423381. The next prime is 1423423429. The reversal of 1423423427 is 7243243241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1423423427 - 2¹⁴ = 1423407043 is a prime.

It is a super-4 number, since 4×1423423427⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

Together with 1423423429, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1423423393 and 1423423402.

It is not a weakly prime, because it can be changed into another prime (1423423429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711711713 + 711711714.

It is an arithmetic number, because the mean of its divisors is an integer number (711711714).

Almost surely, 2^1423423427 is an apocalyptic number.

1423423427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423423427 is an equidigital number, since it uses as much as digits as its factorization.

1423423427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 32.

The square root of 1423423427 is about 37728.2841777889. The cubic root of 1423423427 is about 1124.8934027723.

Adding to 1423423427 its reverse (7243243241), we get a palindrome (8666666668).

The spelling of 1423423427 in words is "one billion, four hundred twenty-three million, four hundred twenty-three thousand, four hundred twenty-seven".