23123131212313 has 16 divisors (see below), whose sum is σ = 25755652834560. Its totient is φ = 20754939313680.

The previous prime is 23123131212299. The next prime is 23123131212317. The reversal of 23123131212313 is 31321213132132.

It is not a de Polignac number, because 23123131212313 - 2⁹ = 23123131211801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23123131212317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109848970 + ... + 110059267.

It is an arithmetic number, because the mean of its divisors is an integer number (1609728302160).

Almost surely, 2^{23123131212313} is an apocalyptic number.

It is an amenable number.

23123131212313 is a deficient number, since it is larger than the sum of its proper divisors (2632521622247).

23123131212313 is an equidigital number, since it uses as much as digits as its factorization.

23123131212313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219908349 (or 219908327 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

Adding to 23123131212313 its reverse (31321213132132), we get a palindrome (54444344344445).

The spelling of 23123131212313 in words is "twenty-three trillion, one hundred twenty-three billion, one hundred thirty-one million, two hundred twelve thousand, three hundred thirteen".