403123024313 has 2 divisors, whose sum is σ = 403123024314. Its totient is φ = 403123024312.

The previous prime is 403123024261. The next prime is 403123024321. The reversal of 403123024313 is 313420321304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 398063831929 + 5059192384 = 630923^2 + 71128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403123024313 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 (403123024363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201561512156 + 201561512157.

It is an arithmetic number, because the mean of its divisors is an integer number (201561512157).

Almost surely, 2^403123024313 is an apocalyptic number.

It is an amenable number.

403123024313 is a deficient number, since it is larger than the sum of its proper divisors (1).

403123024313 is an equidigital number, since it uses as much as digits as its factorization.

403123024313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 403123024313 its reverse (313420321304), we get a palindrome (716543345617).

The spelling of 403123024313 in words is "four hundred three billion, one hundred twenty-three million, twenty-four thousand, three hundred thirteen".