1103211023 has 2 divisors, whose sum is σ = 1103211024. Its totient is φ = 1103211022.

The previous prime is 1103211019. The next prime is 1103211029. The reversal of 1103211023 is 3201123011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1103211023 - 2² = 1103211019 is a prime.

It is a super-2 number, since 2×1103211023² = 2434149122537413058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1103210989 and 1103211007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103211029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551605511 + 551605512.

It is an arithmetic number, because the mean of its divisors is an integer number (551605512).

Almost surely, 2^1103211023 is an apocalyptic number.

1103211023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103211023 is an equidigital number, since it uses as much as digits as its factorization.

1103211023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1103211023 is about 33214.6206210458. The cubic root of 1103211023 is about 1033.2835867021.

Adding to 1103211023 its reverse (3201123011), we get a palindrome (4304334034).

The spelling of 1103211023 in words is "one billion, one hundred three million, two hundred eleven thousand, twenty-three".