121331231132323 has 16 divisors (see below), whose sum is σ = 129612315650400. Its totient is φ = 113373284774400.

The previous prime is 121331231132303. The next prime is 121331231132327. The reversal of 121331231132323 is 323231132133121.

It is a cyclic number.

It is not a de Polignac number, because 121331231132323 - 2⁴¹ = 119132207876771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121331231132327) 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, 446187478 + ... + 446459323.

It is an arithmetic number, because the mean of its divisors is an integer number (8100769728150).

Almost surely, 2^{121331231132323} is an apocalyptic number.

121331231132323 is a deficient number, since it is larger than the sum of its proper divisors (8281084518077).

121331231132323 is a wasteful number, since it uses less digits than its factorization.

121331231132323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892646982.

The product of its digits is 11664, while the sum is 31.

Adding to 121331231132323 its reverse (323231132133121), we get a palindrome (444562363265444).

The spelling of 121331231132323 in words is "one hundred twenty-one trillion, three hundred thirty-one billion, two hundred thirty-one million, one hundred thirty-two thousand, three hundred twenty-three".