1421235223 has 2 divisors, whose sum is σ = 1421235224. Its totient is φ = 1421235222.

The previous prime is 1421235217. The next prime is 1421235259. The reversal of 1421235223 is 3225321241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1421235223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421235203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710617611 + 710617612.

It is an arithmetic number, because the mean of its divisors is an integer number (710617612).

Almost surely, 2^1421235223 is an apocalyptic number.

1421235223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421235223 is an equidigital number, since it uses as much as digits as its factorization.

1421235223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 1421235223 is about 37699.2735075890. The cubic root of 1421235223 is about 1124.3166808090.

Adding to 1421235223 its reverse (3225321241), we get a palindrome (4646556464).

The spelling of 1421235223 in words is "one billion, four hundred twenty-one million, two hundred thirty-five thousand, two hundred twenty-three".