2113104023 has 4 divisors (see below), whose sum is σ = 2113400520. Its totient is φ = 2112807528.

The previous prime is 2113103963. The next prime is 2113104031. The reversal of 2113104023 is 3204013112.

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 2113104023 - 2¹⁸ = 2112841879 is a prime.

It is a super-2 number, since 2×2113104023² = 8930417224037569058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2113103992 and 2113104010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113104083) 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, 137288 + ... + 151901.

It is an arithmetic number, because the mean of its divisors is an integer number (528350130).

Almost surely, 2^2113104023 is an apocalyptic number.

2113104023 is a deficient number, since it is larger than the sum of its proper divisors (296497).

2113104023 is an equidigital number, since it uses as much as digits as its factorization.

2113104023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296496.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2113104023 is about 45968.5112114804. The cubic root of 2113104023 is about 1283.2372531356.

Adding to 2113104023 its reverse (3204013112), we get a palindrome (5317117135).

The spelling of 2113104023 in words is "two billion, one hundred thirteen million, one hundred four thousand, twenty-three".