1123203101320 has 32 divisors (see below), whose sum is σ = 2527268728320. Its totient is φ = 449270262720.

The previous prime is 1123203101303. The next prime is 1123203101329. The reversal of 1123203101320 is 231013023211.

It is not an unprimeable number, because it can be changed into a prime (1123203101329) 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, 1427239 + ... + 2069641.

It is an arithmetic number, because the mean of its divisors is an integer number (78977147760).

Almost surely, 2^{1123203101320} is an apocalyptic number.

1123203101320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123203101320 is an abundant number, since it is smaller than the sum of its proper divisors (1404065627000).

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

1123203101320 is a wasteful number, since it uses less digits than its factorization.

1123203101320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686125 (or 686121 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1123203101320 its reverse (231013023211), we get a palindrome (1354216124531).

The spelling of 1123203101320 in words is "one trillion, one hundred twenty-three billion, two hundred three million, one hundred one thousand, three hundred twenty".