2113026123 has 32 divisors (see below), whose sum is σ = 3268177920. Its totient is φ = 1203649920.

The previous prime is 2113026079. The next prime is 2113026133. The reversal of 2113026123 is 3216203112.

It is not a de Polignac number, because 2113026123 - 2⁸ = 2113025867 is a prime.

It is a super-2 number, since 2×2113026123² = 8929758792960822258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2113026123.

It is not an unprimeable number, because it can be changed into a prime (2113026133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10188 + ... + 65801.

It is an arithmetic number, because the mean of its divisors is an integer number (102130560).

Almost surely, 2^2113026123 is an apocalyptic number.

2113026123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2113026123 is a deficient number, since it is larger than the sum of its proper divisors (1155151797).

2113026123 is a wasteful number, since it uses less digits than its factorization.

2113026123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76059.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2113026123 is about 45967.6638845178. The cubic root of 2113026123 is about 1283.2214840096.

Adding to 2113026123 its reverse (3216203112), we get a palindrome (5329229235).

The spelling of 2113026123 in words is "two billion, one hundred thirteen million, twenty-six thousand, one hundred twenty-three".