2125423013 has 16 divisors (see below), whose sum is σ = 2478249216. Its totient is φ = 1784989440.

The previous prime is 2125422991. The next prime is 2125423037. The reversal of 2125423013 is 3103245212.

It is a cyclic number.

It is not a de Polignac number, because 2125423013 - 2¹⁰ = 2125421989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2125423013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125423043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301853 + ... + 308813.

It is an arithmetic number, because the mean of its divisors is an integer number (154890576).

Almost surely, 2^2125423013 is an apocalyptic number.

It is an amenable number.

2125423013 is a deficient number, since it is larger than the sum of its proper divisors (352826203).

2125423013 is an equidigital number, since it uses as much as digits as its factorization.

2125423013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7844.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2125423013 is about 46102.3102783364. The cubic root of 2125423013 is about 1285.7260983389.

Adding to 2125423013 its reverse (3103245212), we get a palindrome (5228668225).

The spelling of 2125423013 in words is "two billion, one hundred twenty-five million, four hundred twenty-three thousand, thirteen".