423324137 has 2 divisors, whose sum is σ = 423324138. Its totient is φ = 423324136.

The previous prime is 423324113. The next prime is 423324149. The reversal of 423324137 is 731423324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 359898841 + 63425296 = 18971^2 + 7964^2 .

It is a cyclic number.

It is not a de Polignac number, because 423324137 - 2⁶ = 423324073 is a prime.

It is not a weakly prime, because it can be changed into another prime (423324037) 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, 211662068 + 211662069.

It is an arithmetic number, because the mean of its divisors is an integer number (211662069).

Almost surely, 2^423324137 is an apocalyptic number.

It is an amenable number.

423324137 is a deficient number, since it is larger than the sum of its proper divisors (1).

423324137 is an equidigital number, since it uses as much as digits as its factorization.

423324137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 29.

The square root of 423324137 is about 20574.8423323242. The cubic root of 423324137 is about 750.8577664601.

The spelling of 423324137 in words is "four hundred twenty-three million, three hundred twenty-four thousand, one hundred thirty-seven".