2113120023 has 8 divisors (see below), whose sum is σ = 3219992448. Its totient is φ = 1207497144.

The previous prime is 2113120021. The next prime is 2113120039. The reversal of 2113120023 is 3200213112.

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

It is not a de Polignac number, because 2113120023 - 2¹ = 2113120021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2113119984 and 2113120011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113120021) 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, 50312361 + ... + 50312402.

It is an arithmetic number, because the mean of its divisors is an integer number (402499056).

Almost surely, 2^2113120023 is an apocalyptic number.

2113120023 is a deficient number, since it is larger than the sum of its proper divisors (1106872425).

2113120023 is a wasteful number, since it uses less digits than its factorization.

2113120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100624773.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2113120023 is about 45968.6852433262. The cubic root of 2113120023 is about 1283.2404919325.

Adding to 2113120023 its reverse (3200213112), we get a palindrome (5313333135).

The spelling of 2113120023 in words is "two billion, one hundred thirteen million, one hundred twenty thousand, twenty-three".