2113054123 has 4 divisors (see below), whose sum is σ = 2113277320. Its totient is φ = 2112830928.

The previous prime is 2113054103. The next prime is 2113054133. The reversal of 2113054123 is 3214503112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2113054123 - 2⁹ = 2113053611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2113054094 and 2113054103.

It is not an unprimeable number, because it can be changed into a prime (2113054103) 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, 96738 + ... + 116551.

It is an arithmetic number, because the mean of its divisors is an integer number (528319330).

Almost surely, 2^2113054123 is an apocalyptic number.

2113054123 is a deficient number, since it is larger than the sum of its proper divisors (223197).

2113054123 is an equidigital number, since it uses as much as digits as its factorization.

2113054123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223196.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2113054123 is about 45967.9684454295. The cubic root of 2113054123 is about 1283.2271520328.

Adding to 2113054123 its reverse (3214503112), we get a palindrome (5327557235).

The spelling of 2113054123 in words is "two billion, one hundred thirteen million, fifty-four thousand, one hundred twenty-three".