1323120321032 has 64 divisors (see below), whose sum is σ = 2557129512960. Its totient is φ = 641450376000.

The previous prime is 1323120321013. The next prime is 1323120321037. The reversal of 1323120321032 is 2301230213231.

It is a junction number, because it is equal to n+sod(n) for n = 1323120320989 and 1323120321007.

It is not an unprimeable number, because it can be changed into a prime (1323120321037) 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, 82219307 + ... + 82235397.

It is an arithmetic number, because the mean of its divisors is an integer number (39955148640).

Almost surely, 2^{1323120321032} is an apocalyptic number.

It is an amenable number.

1323120321032 is a deficient number, since it is larger than the sum of its proper divisors (1234009191928).

1323120321032 is a wasteful number, since it uses less digits than its factorization.

1323120321032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17874 (or 17870 counting only the distinct ones).

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

Adding to 1323120321032 its reverse (2301230213231), we get a palindrome (3624350534263).

The spelling of 1323120321032 in words is "one trillion, three hundred twenty-three billion, one hundred twenty million, three hundred twenty-one thousand, thirty-two".