1103123389 has 2 divisors, whose sum is σ = 1103123390. Its totient is φ = 1103123388.

The previous prime is 1103123383. The next prime is 1103123423. The reversal of 1103123389 is 9833213011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 809857764 + 293265625 = 28458^2 + 17125^2 .

It is an emirp because it is prime and its reverse (9833213011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103123389 - 2¹⁵ = 1103090621 is a prime.

It is a super-2 number, since 2×1103123389² = 2433762422717690642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1103123389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103123383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551561694 + 551561695.

It is an arithmetic number, because the mean of its divisors is an integer number (551561695).

Almost surely, 2^1103123389 is an apocalyptic number.

It is an amenable number.

1103123389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103123389 is an equidigital number, since it uses as much as digits as its factorization.

1103123389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1103123389 is about 33213.3013866433. The cubic root of 1103123389 is about 1033.2562262154.

The spelling of 1103123389 in words is "one billion, one hundred three million, one hundred twenty-three thousand, three hundred eighty-nine".