1201331231323 has 8 divisors (see below), whose sum is σ = 1272008850192. Its totient is φ = 1130654843136.

The previous prime is 1201331231297. The next prime is 1201331231351. The reversal of 1201331231323 is 3231321331021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201331231323 - 2⁵ = 1201331231291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201331231623) 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, 2365936 + ... + 2828482.

It is an arithmetic number, because the mean of its divisors is an integer number (159001106274).

Almost surely, 2^{1201331231323} is an apocalyptic number.

1201331231323 is a deficient number, since it is larger than the sum of its proper divisors (70677618869).

1201331231323 is a wasteful number, since it uses less digits than its factorization.

1201331231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615341.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1201331231323 its reverse (3231321331021), we get a palindrome (4432652562344).

The spelling of 1201331231323 in words is "one trillion, two hundred one billion, three hundred thirty-one million, two hundred thirty-one thousand, three hundred twenty-three".