1103321123 has 2 divisors, whose sum is σ = 1103321124. Its totient is φ = 1103321122.

The previous prime is 1103321119. The next prime is 1103321159. The reversal of 1103321123 is 3211233011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1103321123 - 2² = 1103321119 is a prime.

It is a super-2 number, since 2×1103321123² = 2434635000915962258, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1103321183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551660561 + 551660562.

It is an arithmetic number, because the mean of its divisors is an integer number (551660562).

Almost surely, 2^1103321123 is an apocalyptic number.

1103321123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103321123 is an equidigital number, since it uses as much as digits as its factorization.

1103321123 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 1103321123 is about 33216.2779823387. The cubic root of 1103321123 is about 1033.3179593157.

Adding to 1103321123 its reverse (3211233011), we get a palindrome (4314554134).

It can be divided in two parts, 110 and 3321123, that added together give a palindrome (3321233).

The spelling of 1103321123 in words is "one billion, one hundred three million, three hundred twenty-one thousand, one hundred twenty-three".