120841909923 has 24 divisors (see below), whose sum is σ = 187654547280. Its totient is φ = 68969154240.

The previous prime is 120841909849. The next prime is 120841909933. The reversal of 120841909923 is 329909148021.

It is not a de Polignac number, because 120841909923 - 2⁹ = 120841909411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120841909933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 373948 + ... + 617673.

It is an arithmetic number, because the mean of its divisors is an integer number (7818939470).

Almost surely, 2^120841909923 is an apocalyptic number.

120841909923 is a deficient number, since it is larger than the sum of its proper divisors (66812637357).

120841909923 is an equidigital number, since it uses as much as digits as its factorization.

120841909923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992467 (or 992460 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The spelling of 120841909923 in words is "one hundred twenty billion, eight hundred forty-one million, nine hundred nine thousand, nine hundred twenty-three".