1423224149 has 2 divisors, whose sum is σ = 1423224150. Its totient is φ = 1423224148.

The previous prime is 1423224119. The next prime is 1423224151. The reversal of 1423224149 is 9414223241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1106028049 + 317196100 = 33257^2 + 17810^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423224149 - 2¹² = 1423220053 is a prime.

Together with 1423224151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423224119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711612074 + 711612075.

It is an arithmetic number, because the mean of its divisors is an integer number (711612075).

Almost surely, 2^1423224149 is an apocalyptic number.

It is an amenable number.

1423224149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423224149 is an equidigital number, since it uses as much as digits as its factorization.

1423224149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

The square root of 1423224149 is about 37725.6431224174. The cubic root of 1423224149 is about 1124.8409056341.

The spelling of 1423224149 in words is "one billion, four hundred twenty-three million, two hundred twenty-four thousand, one hundred forty-nine".