320023232132 has 6 divisors (see below), whose sum is σ = 560040656238. Its totient is φ = 160011616064.

The previous prime is 320023232107. The next prime is 320023232183. The reversal of 320023232132 is 231232320023.

It can be written as a sum of positive squares in only one way, i.e., 224947209796 + 95076022336 = 474286^2 + 308344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 320023232098 and 320023232107.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40002904013 + ... + 40002904020.

It is an arithmetic number, because the mean of its divisors is an integer number (93340109373).

Almost surely, 2^320023232132 is an apocalyptic number.

It is an amenable number.

320023232132 is a deficient number, since it is larger than the sum of its proper divisors (240017424106).

320023232132 is a wasteful number, since it uses less digits than its factorization.

320023232132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80005808037 (or 80005808035 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 320023232132 its reverse (231232320023), we get a palindrome (551255552155).

The spelling of 320023232132 in words is "three hundred twenty billion, twenty-three million, two hundred thirty-two thousand, one hundred thirty-two".