2113130123 has 16 divisors (see below), whose sum is σ = 2332619520. Its totient is φ = 1901932704.

The previous prime is 2113130101. The next prime is 2113130143. The reversal of 2113130123 is 3210313112.

It is a cyclic number.

It is not a de Polignac number, because 2113130123 - 2³⁰ = 1039388299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113130143) 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, 356498 + ... + 362376.

It is an arithmetic number, because the mean of its divisors is an integer number (145788720).

Almost surely, 2^2113130123 is an apocalyptic number.

2113130123 is a deficient number, since it is larger than the sum of its proper divisors (219489397).

2113130123 is a wasteful number, since it uses less digits than its factorization.

2113130123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6578.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2113130123 is about 45968.7951005897. The cubic root of 2113130123 is about 1283.2425364146.

Adding to 2113130123 its reverse (3210313112), we get a palindrome (5323443235).

The spelling of 2113130123 in words is "two billion, one hundred thirteen million, one hundred thirty thousand, one hundred twenty-three".