120423203 has 2 divisors, whose sum is σ = 120423204. Its totient is φ = 120423202.

The previous prime is 120423181. The next prime is 120423241. The reversal of 120423203 is 302324021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120423203 - 2⁶ = 120423139 is a prime.

It is not a weakly prime, because it can be changed into another prime (120423253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60211601 + 60211602.

It is an arithmetic number, because the mean of its divisors is an integer number (60211602).

Almost surely, 2^120423203 is an apocalyptic number.

120423203 is a deficient number, since it is larger than the sum of its proper divisors (1).

120423203 is an equidigital number, since it uses as much as digits as its factorization.

120423203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 120423203 is about 10973.7506350381. The cubic root of 120423203 is about 493.8215725333.

Adding to 120423203 its reverse (302324021), we get a palindrome (422747224).

The spelling of 120423203 in words is "one hundred twenty million, four hundred twenty-three thousand, two hundred three".