315112252123 has 8 divisors (see below), whose sum is σ = 335016800928. Its totient is φ = 295724704704.

The previous prime is 315112252099. The next prime is 315112252151. The reversal of 315112252123 is 321252211513.

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 315112252123 - 2⁹ = 315112251611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315112252091 and 315112252100.

It is not an unprimeable number, because it can be changed into a prime (315112252183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129249090 + ... + 129251527.

It is an arithmetic number, because the mean of its divisors is an integer number (41877100116).

Almost surely, 2^315112252123 is an apocalyptic number.

315112252123 is a deficient number, since it is larger than the sum of its proper divisors (19904548805).

315112252123 is a wasteful number, since it uses less digits than its factorization.

315112252123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258500693.

The product of its digits is 3600, while the sum is 28.

Adding to 315112252123 its reverse (321252211513), we get a palindrome (636364463636).

The spelling of 315112252123 in words is "three hundred fifteen billion, one hundred twelve million, two hundred fifty-two thousand, one hundred twenty-three".