121320011121323 has 8 divisors (see below), whose sum is σ = 138674249594880. Its totient is φ = 103971474726120.

The previous prime is 121320011121271. The next prime is 121320011121341. The reversal of 121320011121323 is 323121110023121.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121320011121323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121320011121523) 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, 1425473993 + ... + 1425559098.

It is an arithmetic number, because the mean of its divisors is an integer number (17334281199360).

Almost surely, 2^{121320011121323} is an apocalyptic number.

121320011121323 is a deficient number, since it is larger than the sum of its proper divisors (17354238473557).

121320011121323 is an equidigital number, since it uses as much as digits as its factorization.

121320011121323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851039177.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 121320011121323 its reverse (323121110023121), we get a palindrome (444441121144444).

The spelling of 121320011121323 in words is "one hundred twenty-one trillion, three hundred twenty billion, eleven million, one hundred twenty-one thousand, three hundred twenty-three".