1423414121 has 2 divisors, whose sum is σ = 1423414122. Its totient is φ = 1423414120.

The previous prime is 1423414081. The next prime is 1423414147. The reversal of 1423414121 is 1214143241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1178960896 + 244453225 = 34336^2 + 15635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423414121 is a prime.

It is a super-2 number, since 2×1423414121² = 4052215519724405282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1423414151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711707060 + 711707061.

It is an arithmetic number, because the mean of its divisors is an integer number (711707061).

Almost surely, 2^1423414121 is an apocalyptic number.

It is an amenable number.

1423414121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423414121 is an equidigital number, since it uses as much as digits as its factorization.

1423414121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 23.

The square root of 1423414121 is about 37728.1608483637. The cubic root of 1423414121 is about 1124.8909513395.

Adding to 1423414121 its reverse (1214143241), we get a palindrome (2637557362).

The spelling of 1423414121 in words is "one billion, four hundred twenty-three million, four hundred fourteen thousand, one hundred twenty-one".