1100444423 has 8 divisors (see below), whose sum is σ = 1186193568. Its totient is φ = 1014852384.

The previous prime is 1100444363. The next prime is 1100444431. The reversal of 1100444423 is 3244440011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1100444423 - 2²² = 1096250119 is a prime.

It is a super-2 number, since 2×1100444423² = 2421955856223605858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100444473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24515 + ... + 52932.

It is an arithmetic number, because the mean of its divisors is an integer number (148274196).

Almost surely, 2^1100444423 is an apocalyptic number.

1100444423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1100444423 is a deficient number, since it is larger than the sum of its proper divisors (85749145).

1100444423 is a wasteful number, since it uses less digits than its factorization.

1100444423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78553.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1100444423 is about 33172.9471557774. The cubic root of 1100444423 is about 1032.4191176550.

Adding to 1100444423 its reverse (3244440011), we get a palindrome (4344884434).

The spelling of 1100444423 in words is "one billion, one hundred million, four hundred forty-four thousand, four hundred twenty-three".