315041105123 has 4 divisors (see below), whose sum is σ = 315044601648. Its totient is φ = 315037608600.

The previous prime is 315041105111. The next prime is 315041105129. The reversal of 315041105123 is 321501140513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 315041105123 - 2⁶ = 315041105059 is a prime.

It is a super-2 number, since 2×315041105123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315041105092 and 315041105101.

It is not an unprimeable number, because it can be changed into a prime (315041105129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1609436 + ... + 1794537.

It is an arithmetic number, because the mean of its divisors is an integer number (78761150412).

Almost surely, 2^315041105123 is an apocalyptic number.

315041105123 is a deficient number, since it is larger than the sum of its proper divisors (3496525).

315041105123 is an equidigital number, since it uses as much as digits as its factorization.

315041105123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496524.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 315041105123 its reverse (321501140513), we get a palindrome (636542245636).

The spelling of 315041105123 in words is "three hundred fifteen billion, forty-one million, one hundred five thousand, one hundred twenty-three".