23130313121 has 8 divisors (see below), whose sum is σ = 23563819944. Its totient is φ = 22698558720.

The previous prime is 23130313117. The next prime is 23130313127. The reversal of 23130313121 is 12131303132.

It can be written as a sum of positive squares in 4 ways, for example, as 21752896 + 23108560225 = 4664^2 + 152015^2 .

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

It is not a de Polignac number, because 23130313121 - 2² = 23130313117 is a prime.

It is a super-2 number, since 2×23130313121² (a number of 22 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 = 23130313093 and 23130313102.

It is not an unprimeable number, because it can be changed into a prime (23130313127) 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, 411446 + ... + 464271.

It is an arithmetic number, because the mean of its divisors is an integer number (2945477493).

Almost surely, 2^23130313121 is an apocalyptic number.

It is an amenable number.

23130313121 is a deficient number, since it is larger than the sum of its proper divisors (433506823).

23130313121 is an equidigital number, since it uses as much as digits as its factorization.

23130313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876211.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23130313121 its reverse (12131303132), we get a palindrome (35261616253).

The spelling of 23130313121 in words is "twenty-three billion, one hundred thirty million, three hundred thirteen thousand, one hundred twenty-one".