1103423220243 has 12 divisors (see below), whose sum is σ = 1595638572840. Its totient is φ = 734782388256.

The previous prime is 1103423220239. The next prime is 1103423220253. The reversal of 1103423220243 is 3420223243011.

1103423220243 is a `hidden beast` number, since 1 + 10 + 3 + 423 + 220 + 2 + 4 + 3 = 666.

It is not a de Polignac number, because 1103423220243 - 2² = 1103423220239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1103423220253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69415938 + ... + 69431831.

It is an arithmetic number, because the mean of its divisors is an integer number (132969881070).

Almost surely, 2^{1103423220243} is an apocalyptic number.

1103423220243 is a deficient number, since it is larger than the sum of its proper divisors (492215352597).

1103423220243 is a wasteful number, since it uses less digits than its factorization.

1103423220243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138848658 (or 138848655 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1103423220243 its reverse (3420223243011), we get a palindrome (4523646463254).

The spelling of 1103423220243 in words is "one trillion, one hundred three billion, four hundred twenty-three million, two hundred twenty thousand, two hundred forty-three".