315145433123 has 8 divisors (see below), whose sum is σ = 322575911856. Its totient is φ = 307719568800.

The previous prime is 315145433087. The next prime is 315145433189. The reversal of 315145433123 is 321334541513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315145433123 - 2¹⁸ = 315145170979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315145433423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015208 + ... + 1288773.

It is an arithmetic number, because the mean of its divisors is an integer number (40321988982).

Almost surely, 2^315145433123 is an apocalyptic number.

315145433123 is a deficient number, since it is larger than the sum of its proper divisors (7430478733).

315145433123 is a wasteful number, since it uses less digits than its factorization.

315145433123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307205.

The product of its digits is 64800, while the sum is 35.

Adding to 315145433123 its reverse (321334541513), we get a palindrome (636479974636).

The spelling of 315145433123 in words is "three hundred fifteen billion, one hundred forty-five million, four hundred thirty-three thousand, one hundred twenty-three".