121320123230223 has 24 divisors (see below), whose sum is σ = 175486564243536. Its totient is φ = 80766399888000.

The previous prime is 121320123230209. The next prime is 121320123230227. The reversal of 121320123230223 is 322032321023121.

121320123230223 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 201 + 2 + 3 + 230 + 223 = 666.

It is not a de Polignac number, because 121320123230223 - 2¹⁰ = 121320123229199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320123230227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40908861 + ... + 43774137.

It is an arithmetic number, because the mean of its divisors is an integer number (7311940176814).

Almost surely, 2^{121320123230223} is an apocalyptic number.

121320123230223 is a deficient number, since it is larger than the sum of its proper divisors (54166441013313).

121320123230223 is a wasteful number, since it uses less digits than its factorization.

121320123230223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871895 (or 2871892 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 121320123230223 its reverse (322032321023121), we get a palindrome (443352444253344).

The spelling of 121320123230223 in words is "one hundred twenty-one trillion, three hundred twenty billion, one hundred twenty-three million, two hundred thirty thousand, two hundred twenty-three".