120867823 has 2 divisors, whose sum is σ = 120867824. Its totient is φ = 120867822.

The previous prime is 120867793. The next prime is 120867833. The reversal of 120867823 is 328768021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120867823 - 2²¹ = 118770671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120867833) 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 as a sum of consecutive naturals, namely, 60433911 + 60433912.

It is an arithmetic number, because the mean of its divisors is an integer number (60433912).

Almost surely, 2^120867823 is an apocalyptic number.

120867823 is a deficient number, since it is larger than the sum of its proper divisors (1).

120867823 is an equidigital number, since it uses as much as digits as its factorization.

120867823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 120867823 is about 10993.9903128937. The cubic root of 120867823 is about 494.4285798087.

The spelling of 120867823 in words is "one hundred twenty million, eight hundred sixty-seven thousand, eight hundred twenty-three".