315241723 has 2 divisors, whose sum is σ = 315241724. Its totient is φ = 315241722.

The previous prime is 315241699. The next prime is 315241741. The reversal of 315241723 is 327142513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315241723 - 2⁹ = 315241211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315241691 and 315241700.

It is not a weakly prime, because it can be changed into another prime (315241763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157620861 + 157620862.

It is an arithmetic number, because the mean of its divisors is an integer number (157620862).

Almost surely, 2^315241723 is an apocalyptic number.

315241723 is a deficient number, since it is larger than the sum of its proper divisors (1).

315241723 is an equidigital number, since it uses as much as digits as its factorization.

315241723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 315241723 is about 17755.0478174518. The cubic root of 315241723 is about 680.5832100118.

The spelling of 315241723 in words is "three hundred fifteen million, two hundred forty-one thousand, seven hundred twenty-three".