123130223313 has 4 divisors (see below), whose sum is σ = 164173631088. Its totient is φ = 82086815540.

The previous prime is 123130223299. The next prime is 123130223323. The reversal of 123130223313 is 313322031321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123130223313 - 2²¹ = 123128126161 is a prime.

It is a super-2 number, since 2×123130223313² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123130223323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20521703883 + ... + 20521703888.

It is an arithmetic number, because the mean of its divisors is an integer number (41043407772).

Almost surely, 2^123130223313 is an apocalyptic number.

It is an amenable number.

123130223313 is a deficient number, since it is larger than the sum of its proper divisors (41043407775).

123130223313 is an equidigital number, since it uses as much as digits as its factorization.

123130223313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41043407774.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 123130223313 its reverse (313322031321), we get a palindrome (436452254634).

The spelling of 123130223313 in words is "one hundred twenty-three billion, one hundred thirty million, two hundred twenty-three thousand, three hundred thirteen".