121273327923 has 32 divisors (see below), whose sum is σ = 179345664000. Its totient is φ = 72271372800.

The previous prime is 121273327783. The next prime is 121273327937. The reversal of 121273327923 is 329723372121.

It is not a de Polignac number, because 121273327923 - 2⁸ = 121273327667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121273307923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8143198 + ... + 8158076.

It is an arithmetic number, because the mean of its divisors is an integer number (5604552000).

Almost surely, 2^121273327923 is an apocalyptic number.

121273327923 is a deficient number, since it is larger than the sum of its proper divisors (58072336077).

121273327923 is a wasteful number, since it uses less digits than its factorization.

121273327923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19003.

The product of its digits is 190512, while the sum is 42.

The spelling of 121273327923 in words is "one hundred twenty-one billion, two hundred seventy-three million, three hundred twenty-seven thousand, nine hundred twenty-three".