1320231323010 has 64 divisors (see below), whose sum is σ = 3308850404352. Its totient is φ = 336496771776.

The previous prime is 1320231322981. The next prime is 1320231323011. The reversal of 1320231323010 is 103231320231.

It is not an unprimeable number, because it can be changed into a prime (1320231323011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169857 + ... + 1633803.

It is an arithmetic number, because the mean of its divisors is an integer number (51700787568).

Almost surely, 2^{1320231323010} is an apocalyptic number.

1320231323010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320231323010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1654425202176).

1320231323010 is an abundant number, since it is smaller than the sum of its proper divisors (1988619081342).

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

1320231323010 is a wasteful number, since it uses less digits than its factorization.

1320231323010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465287.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1320231323010 its reverse (103231320231), we get a palindrome (1423462643241).

The spelling of 1320231323010 in words is "one trillion, three hundred twenty billion, two hundred thirty-one million, three hundred twenty-three thousand, ten".