121311320133323 has 8 divisors (see below), whose sum is σ = 122779133240400. Its totient is φ = 119843655382048.

The previous prime is 121311320133293. The next prime is 121311320133349. The reversal of 121311320133323 is 323331023113121.

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 121311320133323 - 2¹⁶ = 121311320067787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121311320133823) 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, 35443208 + ... + 38714901.

It is an arithmetic number, because the mean of its divisors is an integer number (15347391655050).

Almost surely, 2^{121311320133323} is an apocalyptic number.

121311320133323 is a deficient number, since it is larger than the sum of its proper divisors (1467813107077).

121311320133323 is an equidigital number, since it uses as much as digits as its factorization.

121311320133323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74177901.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 121311320133323 its reverse (323331023113121), we get a palindrome (444642343246444).

The spelling of 121311320133323 in words is "one hundred twenty-one trillion, three hundred eleven billion, three hundred twenty million, one hundred thirty-three thousand, three hundred twenty-three".