1103123123 has 2 divisors, whose sum is σ = 1103123124. Its totient is φ = 1103123122.

The previous prime is 1103123107. The next prime is 1103123129. The reversal of 1103123123 is 3213213011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1103123123 - 2⁴ = 1103123107 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103123129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551561561 + 551561562.

It is an arithmetic number, because the mean of its divisors is an integer number (551561562).

Almost surely, 2^1103123123 is an apocalyptic number.

1103123123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103123123 is an equidigital number, since it uses as much as digits as its factorization.

1103123123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1103123123 is about 33213.2973822233. The cubic root of 1103123123 is about 1033.2561431645.

Adding to 1103123123 its reverse (3213213011), we get a palindrome (4316336134).

The spelling of 1103123123 in words is "one billion, one hundred three million, one hundred twenty-three thousand, one hundred twenty-three".