423315513349 has 2 divisors, whose sum is σ = 423315513350. Its totient is φ = 423315513348.

The previous prime is 423315513323. The next prime is 423315513391. The reversal of 423315513349 is 943315513324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 406000901124 + 17314612225 = 637182^2 + 131585^2 .

It is a cyclic number.

It is not a de Polignac number, because 423315513349 - 2¹⁷ = 423315382277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423315510349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211657756674 + 211657756675.

It is an arithmetic number, because the mean of its divisors is an integer number (211657756675).

Almost surely, 2^423315513349 is an apocalyptic number.

It is an amenable number.

423315513349 is a deficient number, since it is larger than the sum of its proper divisors (1).

423315513349 is an equidigital number, since it uses as much as digits as its factorization.

423315513349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 43.

The spelling of 423315513349 in words is "four hundred twenty-three billion, three hundred fifteen million, five hundred thirteen thousand, three hundred forty-nine".