1123320321032 has 64 divisors (see below), whose sum is σ = 2593372225920. Its totient is φ = 444202818048.

The previous prime is 1123320321023. The next prime is 1123320321037. The reversal of 1123320321032 is 2301230233211.

It is a super-3 number, since 3×1123320321032³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123320320989 and 1123320321007.

It is not an unprimeable number, because it can be changed into a prime (1123320321037) 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, 1405883 + ... + 2055029.

It is an arithmetic number, because the mean of its divisors is an integer number (40521441030).

Almost surely, 2^{1123320321032} is an apocalyptic number.

It is an amenable number.

1123320321032 is an abundant number, since it is smaller than the sum of its proper divisors (1470051904888).

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

1123320321032 is a wasteful number, since it uses less digits than its factorization.

1123320321032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651550 (or 651546 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1123320321032 its reverse (2301230233211), we get a palindrome (3424550554243).

The spelling of 1123320321032 in words is "one trillion, one hundred twenty-three billion, three hundred twenty million, three hundred twenty-one thousand, thirty-two".