423323120249 has 2 divisors, whose sum is σ = 423323120250. Its totient is φ = 423323120248.

The previous prime is 423323120203. The next prime is 423323120317. The reversal of 423323120249 is 942021323324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267035730025 + 156287390224 = 516755^2 + 395332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423323120249 is a prime.

It is not a weakly prime, because it can be changed into another prime (423323122249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211661560124 + 211661560125.

It is an arithmetic number, because the mean of its divisors is an integer number (211661560125).

Almost surely, 2^423323120249 is an apocalyptic number.

It is an amenable number.

423323120249 is a deficient number, since it is larger than the sum of its proper divisors (1).

423323120249 is an equidigital number, since it uses as much as digits as its factorization.

423323120249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 423323120249 in words is "four hundred twenty-three billion, three hundred twenty-three million, one hundred twenty thousand, two hundred forty-nine".