1423120313 has 2 divisors, whose sum is σ = 1423120314. Its totient is φ = 1423120312.

The previous prime is 1423120289. The next prime is 1423120343. The reversal of 1423120313 is 3130213241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1091443369 + 331676944 = 33037^2 + 18212^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423120313 - 2²² = 1418926009 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 (1423120343) 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, 711560156 + 711560157.

It is an arithmetic number, because the mean of its divisors is an integer number (711560157).

Almost surely, 2^1423120313 is an apocalyptic number.

It is an amenable number.

1423120313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423120313 is an equidigital number, since it uses as much as digits as its factorization.

1423120313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1423120313 is about 37724.2668981121. The cubic root of 1423120313 is about 1124.8135494792.

Adding to 1423120313 its reverse (3130213241), we get a palindrome (4553333554).

The spelling of 1423120313 in words is "one billion, four hundred twenty-three million, one hundred twenty thousand, three hundred thirteen".