1103923439052 has 48 divisors (see below), whose sum is σ = 2963291208192. Its totient is φ = 313317907200.

The previous prime is 1103923439039. The next prime is 1103923439053. The reversal of 1103923439052 is 2509343293011.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1103923438995 and 1103923439013.

It is not an unprimeable number, because it can be changed into a prime (1103923439053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43503693 + ... + 43529060.

It is an arithmetic number, because the mean of its divisors is an integer number (61735233504).

Almost surely, 2^{1103923439052} is an apocalyptic number.

1103923439052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1103923439052 is an abundant number, since it is smaller than the sum of its proper divisors (1859367769140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1103923439052 is a wasteful number, since it uses less digits than its factorization.

1103923439052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87032918 (or 87032916 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The spelling of 1103923439052 in words is "one trillion, one hundred three billion, nine hundred twenty-three million, four hundred thirty-nine thousand, fifty-two".