120989023 has 2 divisors, whose sum is σ = 120989024. Its totient is φ = 120989022.

The previous prime is 120989021. The next prime is 120989083. The reversal of 120989023 is 320989021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120989023 - 2¹ = 120989021 is a prime.

Together with 120989021, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 120989023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120989021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60494511 + 60494512.

It is an arithmetic number, because the mean of its divisors is an integer number (60494512).

Almost surely, 2^120989023 is an apocalyptic number.

120989023 is a deficient number, since it is larger than the sum of its proper divisors (1).

120989023 is an equidigital number, since it uses as much as digits as its factorization.

120989023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 120989023 is about 10999.5010341379. The cubic root of 120989023 is about 494.5937870676.

The spelling of 120989023 in words is "one hundred twenty million, nine hundred eighty-nine thousand, twenty-three".