1103100123 has 4 divisors (see below), whose sum is σ = 1470800168. Its totient is φ = 735400080.

The previous prime is 1103100109. The next prime is 1103100143. The reversal of 1103100123 is 3210013011.

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

It is not a de Polignac number, because 1103100123 - 2²⁴ = 1086322907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103100099 and 1103100108.

It is not an unprimeable number, because it can be changed into a prime (1103100143) 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, 183850018 + ... + 183850023.

It is an arithmetic number, because the mean of its divisors is an integer number (367700042).

Almost surely, 2^1103100123 is an apocalyptic number.

1103100123 is a deficient number, since it is larger than the sum of its proper divisors (367700045).

1103100123 is an equidigital number, since it uses as much as digits as its factorization.

1103100123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367700044.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1103100123 is about 33212.9511335563. The cubic root of 1103100123 is about 1033.2489620210.

Adding to 1103100123 its reverse (3210013011), we get a palindrome (4313113134).

The spelling of 1103100123 in words is "one billion, one hundred three million, one hundred thousand, one hundred twenty-three".