2313123515 has 8 divisors (see below), whose sum is σ = 2780826000. Its totient is φ = 1847113632.

The previous prime is 2313123511. The next prime is 2313123587. The reversal of 2313123515 is 5153213132.

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 2313123515 - 2² = 2313123511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2313123511) 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, 420140 + ... + 425609.

It is an arithmetic number, because the mean of its divisors is an integer number (347603250).

Almost surely, 2^2313123515 is an apocalyptic number.

2313123515 is a deficient number, since it is larger than the sum of its proper divisors (467702485).

2313123515 is an equidigital number, since it uses as much as digits as its factorization.

2313123515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846301.

The product of its digits is 2700, while the sum is 26.

The square root of 2313123515 is about 48094.9427175041. The cubic root of 2313123515 is about 1322.5119589448.

Adding to 2313123515 its reverse (5153213132), we get a palindrome (7466336647).

The spelling of 2313123515 in words is "two billion, three hundred thirteen million, one hundred twenty-three thousand, five hundred fifteen".