1100423243 has 16 divisors (see below), whose sum is σ = 1184148000. Its totient is φ = 1018884096.

The previous prime is 1100423239. The next prime is 1100423281. The reversal of 1100423243 is 3423240011.

It is a cyclic number.

It is not a de Polignac number, because 1100423243 - 2² = 1100423239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100423843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618371 + ... + 620147.

It is an arithmetic number, because the mean of its divisors is an integer number (74009250).

Almost surely, 2^1100423243 is an apocalyptic number.

1100423243 is a deficient number, since it is larger than the sum of its proper divisors (83724757).

1100423243 is a wasteful number, since it uses less digits than its factorization.

1100423243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1100423243 is about 33172.6279182099. The cubic root of 1100423243 is about 1032.4124940350.

Adding to 1100423243 its reverse (3423240011), we get a palindrome (4523663254).

The spelling of 1100423243 in words is "one billion, one hundred million, four hundred twenty-three thousand, two hundred forty-three".