2351423993 has 2 divisors, whose sum is σ = 2351423994. Its totient is φ = 2351423992.

The previous prime is 2351423909. The next prime is 2351424001. The reversal of 2351423993 is 3993241532.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1972070464 + 379353529 = 44408^2 + 19477^2 .

It is a cyclic number.

It is not a de Polignac number, because 2351423993 - 2¹² = 2351419897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2351423993.

It is not a weakly prime, because it can be changed into another prime (2351423693) 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, 1175711996 + 1175711997.

It is an arithmetic number, because the mean of its divisors is an integer number (1175711997).

Almost surely, 2^2351423993 is an apocalyptic number.

It is an amenable number.

2351423993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2351423993 is an equidigital number, since it uses as much as digits as its factorization.

2351423993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 41.

The square root of 2351423993 is about 48491.4837162156. The cubic root of 2351423993 is about 1329.7713804185.

The spelling of 2351423993 in words is "two billion, three hundred fifty-one million, four hundred twenty-three thousand, nine hundred ninety-three".