120842923 has 4 divisors (see below), whose sum is σ = 122545008. Its totient is φ = 119140840.

The previous prime is 120842899. The next prime is 120842927. The reversal of 120842923 is 329248021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120842923 - 2⁹ = 120842411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120842927) 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 3 ways as a sum of consecutive naturals, for example, 850936 + ... + 851077.

It is an arithmetic number, because the mean of its divisors is an integer number (30636252).

Almost surely, 2^120842923 is an apocalyptic number.

120842923 is a deficient number, since it is larger than the sum of its proper divisors (1702085).

120842923 is an equidigital number, since it uses as much as digits as its factorization.

120842923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702084.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 120842923 is about 10992.8578176924. The cubic root of 120842923 is about 494.3946250393.

The spelling of 120842923 in words is "one hundred twenty million, eight hundred forty-two thousand, nine hundred twenty-three".