121131300323 has 16 divisors (see below), whose sum is σ = 134976844800. Its totient is φ = 107758790400.

The previous prime is 121131300307. The next prime is 121131300341. The reversal of 121131300323 is 323003131121.

It is a cyclic number.

It is not a de Polignac number, because 121131300323 - 2⁴ = 121131300307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121131300295 and 121131300304.

It is not an unprimeable number, because it can be changed into a prime (121131300023) 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, 3939218 + ... + 3969848.

It is an arithmetic number, because the mean of its divisors is an integer number (8436052800).

Almost surely, 2^121131300323 is an apocalyptic number.

121131300323 is a deficient number, since it is larger than the sum of its proper divisors (13845544477).

121131300323 is a wasteful number, since it uses less digits than its factorization.

121131300323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38338.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121131300323 its reverse (323003131121), we get a palindrome (444134431444).

The spelling of 121131300323 in words is "one hundred twenty-one billion, one hundred thirty-one million, three hundred thousand, three hundred twenty-three".