2113245123 has 8 divisors (see below), whose sum is σ = 3073811136. Its totient is φ = 1280754600.

The previous prime is 2113245089. The next prime is 2113245131. The reversal of 2113245123 is 3215423112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2113245123 - 2⁸ = 2113244867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2113245093 and 2113245102.

It is not an unprimeable number, because it can be changed into a prime (2113245623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32018833 + ... + 32018898.

It is an arithmetic number, because the mean of its divisors is an integer number (384226392).

Almost surely, 2^2113245123 is an apocalyptic number.

2113245123 is a deficient number, since it is larger than the sum of its proper divisors (960566013).

2113245123 is a wasteful number, since it uses less digits than its factorization.

2113245123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64037745.

The product of its digits is 1440, while the sum is 24.

The square root of 2113245123 is about 45970.0459321067. The cubic root of 2113245123 is about 1283.2658147121.

Adding to 2113245123 its reverse (3215423112), we get a palindrome (5328668235).

The spelling of 2113245123 in words is "two billion, one hundred thirteen million, two hundred forty-five thousand, one hundred twenty-three".