2130123013 has 4 divisors (see below), whose sum is σ = 2130330240. Its totient is φ = 2129915788.

The previous prime is 2130122999. The next prime is 2130123019. The reversal of 2130123013 is 3103210312.

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 2130123013 - 2¹³ = 2130114821 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 (2130123019) 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, 87343 + ... + 109036.

It is an arithmetic number, because the mean of its divisors is an integer number (532582560).

Almost surely, 2^2130123013 is an apocalyptic number.

It is an amenable number.

2130123013 is a deficient number, since it is larger than the sum of its proper divisors (207227).

2130123013 is a wasteful number, since it uses less digits than its factorization.

2130123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207226.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2130123013 is about 46153.2557139797. The cubic root of 2130123013 is about 1286.6731198351.

Adding to 2130123013 its reverse (3103210312), we get a palindrome (5233333325).

The spelling of 2130123013 in words is "two billion, one hundred thirty million, one hundred twenty-three thousand, thirteen".