1421423033 has 2 divisors, whose sum is σ = 1421423034. Its totient is φ = 1421423032.

The previous prime is 1421423009. The next prime is 1421423039. The reversal of 1421423033 is 3303241241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1123791529 + 297631504 = 33523^2 + 17252^2 .

It is an emirp because it is prime and its reverse (3303241241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1421423033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1421423039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710711516 + 710711517.

It is an arithmetic number, because the mean of its divisors is an integer number (710711517).

Almost surely, 2^1421423033 is an apocalyptic number.

It is an amenable number.

1421423033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421423033 is an equidigital number, since it uses as much as digits as its factorization.

1421423033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1421423033 is about 37701.7643221110. The cubic root of 1421423033 is about 1124.3662031334.

Adding to 1421423033 its reverse (3303241241), we get a palindrome (4724664274).

The spelling of 1421423033 in words is "one billion, four hundred twenty-one million, four hundred twenty-three thousand, thirty-three".