1103123423 has 2 divisors, whose sum is σ = 1103123424. Its totient is φ = 1103123422.

The previous prime is 1103123389. The next prime is 1103123467. The reversal of 1103123423 is 3243213011.

It is a weak prime.

It is an emirp because it is prime and its reverse (3243213011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103123423 - 2⁸ = 1103123167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103123395 and 1103123404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103123473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551561711 + 551561712.

It is an arithmetic number, because the mean of its divisors is an integer number (551561712).

Almost surely, 2^1103123423 is an apocalyptic number.

1103123423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103123423 is an equidigital number, since it uses as much as digits as its factorization.

1103123423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1103123423 is about 33213.3018984864. The cubic root of 1103123423 is about 1033.2562368310.

Adding to 1103123423 its reverse (3243213011), we get a palindrome (4346336434).

The spelling of 1103123423 in words is "one billion, one hundred three million, one hundred twenty-three thousand, four hundred twenty-three".