120342403999 has 2 divisors, whose sum is σ = 120342404000. Its totient is φ = 120342403998.

The previous prime is 120342403981. The next prime is 120342404047. The reversal of 120342403999 is 999304243021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120342403999 - 2⁷ = 120342403871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120342403919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60171201999 + 60171202000.

It is an arithmetic number, because the mean of its divisors is an integer number (60171202000).

Almost surely, 2^120342403999 is an apocalyptic number.

120342403999 is a deficient number, since it is larger than the sum of its proper divisors (1).

120342403999 is an equidigital number, since it uses as much as digits as its factorization.

120342403999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 120342403999 in words is "one hundred twenty billion, three hundred forty-two million, four hundred three thousand, nine hundred ninety-nine".