1103120423 has 2 divisors, whose sum is σ = 1103120424. Its totient is φ = 1103120422.

The previous prime is 1103120413. The next prime is 1103120441. The reversal of 1103120423 is 3240213011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1103120423 - 2⁴ = 1103120407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103120413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551560211 + 551560212.

It is an arithmetic number, because the mean of its divisors is an integer number (551560212).

Almost surely, 2^1103120423 is an apocalyptic number.

1103120423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103120423 is an equidigital number, since it uses as much as digits as its factorization.

1103120423 is an evil number, because the sum of its binary digits is even.

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

The square root of 1103120423 is about 33213.2567358276. The cubic root of 1103120423 is about 1033.2553001659.

Adding to 1103120423 its reverse (3240213011), we get a palindrome (4343333434).

The spelling of 1103120423 in words is "one billion, one hundred three million, one hundred twenty thousand, four hundred twenty-three".