1123202321320 has 32 divisors (see below), whose sum is σ = 2570039215200. Its totient is φ = 441665996608.

The previous prime is 1123202321279. The next prime is 1123202321323. The reversal of 1123202321320 is 231232023211.

It is a junction number, because it is equal to n+sod(n) for n = 1123202321291 and 1123202321300.

It is not an unprimeable number, because it can be changed into a prime (1123202321323) 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, 237964234 + ... + 237968953.

It is an arithmetic number, because the mean of its divisors is an integer number (80313725475).

Almost surely, 2^{1123202321320} is an apocalyptic number.

1123202321320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123202321320 is an abundant number, since it is smaller than the sum of its proper divisors (1446836893880).

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

1123202321320 is a wasteful number, since it uses less digits than its factorization.

1123202321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475933257 (or 475933253 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1123202321320 its reverse (231232023211), we get a palindrome (1354434344531).

The spelling of 1123202321320 in words is "one trillion, one hundred twenty-three billion, two hundred two million, three hundred twenty-one thousand, three hundred twenty".