120311423 has 2 divisors, whose sum is σ = 120311424. Its totient is φ = 120311422.

The previous prime is 120311419. The next prime is 120311453. The reversal of 120311423 is 324113021.

It is a weak prime.

It is an emirp because it is prime and its reverse (324113021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120311423 - 2² = 120311419 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120311453) 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 as a sum of consecutive naturals, namely, 60155711 + 60155712.

It is an arithmetic number, because the mean of its divisors is an integer number (60155712).

Almost surely, 2^120311423 is an apocalyptic number.

120311423 is a deficient number, since it is larger than the sum of its proper divisors (1).

120311423 is an equidigital number, since it uses as much as digits as its factorization.

120311423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 120311423 is about 10968.6563899139. The cubic root of 120311423 is about 493.6687324881.

Adding to 120311423 its reverse (324113021), we get a palindrome (444424444).

The spelling of 120311423 in words is "one hundred twenty million, three hundred eleven thousand, four hundred twenty-three".