1103113023 has 4 divisors (see below), whose sum is σ = 1470817368. Its totient is φ = 735408680.

The previous prime is 1103113019. The next prime is 1103113043. The reversal of 1103113023 is 3203113011.

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 1103113023 - 2² = 1103113019 is a prime.

It is a super-4 number, since 4×1103113023⁴ (a number of 37 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1103112993 and 1103113011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103113043) 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, 183852168 + ... + 183852173.

It is an arithmetic number, because the mean of its divisors is an integer number (367704342).

Almost surely, 2^1103113023 is an apocalyptic number.

1103113023 is a deficient number, since it is larger than the sum of its proper divisors (367704345).

1103113023 is an equidigital number, since it uses as much as digits as its factorization.

1103113023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367704344.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1103113023 is about 33213.1453343401. The cubic root of 1103113023 is about 1033.2529897181.

Adding to 1103113023 its reverse (3203113011), we get a palindrome (4306226034).

The spelling of 1103113023 in words is "one billion, one hundred three million, one hundred thirteen thousand, twenty-three".