1201331232323 has 4 divisors (see below), whose sum is σ = 1201358359920. Its totient is φ = 1201304104728.

The previous prime is 1201331232319. The next prime is 1201331232347. The reversal of 1201331232323 is 3232321331021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1201331232323 - 2² = 1201331232319 is a prime.

It is a super-3 number, since 3×1201331232323³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201331232292 and 1201331232301.

It is not an unprimeable number, because it can be changed into a prime (1201331232313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13497263 + ... + 13585976.

It is an arithmetic number, because the mean of its divisors is an integer number (300339589980).

Almost surely, 2^{1201331232323} is an apocalyptic number.

1201331232323 is a deficient number, since it is larger than the sum of its proper divisors (27127597).

1201331232323 is an equidigital number, since it uses as much as digits as its factorization.

1201331232323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27127596.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1201331232323 its reverse (3232321331021), we get a palindrome (4433652563344).

The spelling of 1201331232323 in words is "one trillion, two hundred one billion, three hundred thirty-one million, two hundred thirty-two thousand, three hundred twenty-three".