121123132133323 has 4 divisors (see below), whose sum is σ = 121123263826648. Its totient is φ = 121123000440000.

The previous prime is 121123132133321. The next prime is 121123132133369. The reversal of 121123132133323 is 323331231321121.

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 121123132133323 - 2¹ = 121123132133321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121123132133321) 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, 64457286 + ... + 66309787.

It is an arithmetic number, because the mean of its divisors is an integer number (30280815956662).

Almost surely, 2^{121123132133323} is an apocalyptic number.

121123132133323 is a deficient number, since it is larger than the sum of its proper divisors (131693325).

121123132133323 is an equidigital number, since it uses as much as digits as its factorization.

121123132133323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131693324.

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

Adding to 121123132133323 its reverse (323331231321121), we get a palindrome (444454363454444).

The spelling of 121123132133323 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, one hundred thirty-two million, one hundred thirty-three thousand, three hundred twenty-three".