23130123013 has 4 divisors (see below), whose sum is σ = 23131069740. Its totient is φ = 23129176288.

The previous prime is 23130123011. The next prime is 23130123017. The reversal of 23130123013 is 31032103132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15699338209 + 7430784804 = 125297^2 + 86202^2 .

It is a cyclic number.

It is not a de Polignac number, because 23130123013 - 2¹ = 23130123011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130123011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435718 + ... + 485911.

It is an arithmetic number, because the mean of its divisors is an integer number (5782767435).

Almost surely, 2^23130123013 is an apocalyptic number.

It is an amenable number.

23130123013 is a deficient number, since it is larger than the sum of its proper divisors (946727).

23130123013 is an equidigital number, since it uses as much as digits as its factorization.

23130123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946726.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23130123013 its reverse (31032103132), we get a palindrome (54162226145).

The spelling of 23130123013 in words is "twenty-three billion, one hundred thirty million, one hundred twenty-three thousand, thirteen".