1100442423 has 4 divisors (see below), whose sum is σ = 1467256568. Its totient is φ = 733628280.

The previous prime is 1100442397. The next prime is 1100442451. The reversal of 1100442423 is 3242440011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1100442423 - 2¹⁴ = 1100426039 is a prime.

It is a super-2 number, since 2×1100442423² = 2421947052676221858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1100442423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100442523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183407068 + ... + 183407073.

It is an arithmetic number, because the mean of its divisors is an integer number (366814142).

Almost surely, 2^1100442423 is an apocalyptic number.

1100442423 is a deficient number, since it is larger than the sum of its proper divisors (366814145).

1100442423 is an equidigital number, since it uses as much as digits as its factorization.

1100442423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366814144.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1100442423 is about 33172.9170107182. The cubic root of 1100442423 is about 1032.4184921988.

Adding to 1100442423 its reverse (3242440011), we get a palindrome (4342882434).

The spelling of 1100442423 in words is "one billion, one hundred million, four hundred forty-two thousand, four hundred twenty-three".