1100423329 has 2 divisors, whose sum is σ = 1100423330. Its totient is φ = 1100423328.

The previous prime is 1100423309. The next prime is 1100423333. The reversal of 1100423329 is 9233240011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 668739600 + 431683729 = 25860^2 + 20777^2 .

It is an emirp because it is prime and its reverse (9233240011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1100423329 - 2¹¹ = 1100421281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100423309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550211664 + 550211665.

It is an arithmetic number, because the mean of its divisors is an integer number (550211665).

Almost surely, 2^1100423329 is an apocalyptic number.

It is an amenable number.

1100423329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100423329 is an equidigital number, since it uses as much as digits as its factorization.

1100423329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1100423329 is about 33172.6292144593. The cubic root of 1100423329 is about 1032.4125209299.

The spelling of 1100423329 in words is "one billion, one hundred million, four hundred twenty-three thousand, three hundred twenty-nine".