1223420183 has 2 divisors, whose sum is σ = 1223420184. Its totient is φ = 1223420182.

The previous prime is 1223420179. The next prime is 1223420243. The reversal of 1223420183 is 3810243221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223420183 - 2² = 1223420179 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223420153) 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, 611710091 + 611710092.

It is an arithmetic number, because the mean of its divisors is an integer number (611710092).

Almost surely, 2^1223420183 is an apocalyptic number.

1223420183 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223420183 is an equidigital number, since it uses as much as digits as its factorization.

1223420183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1223420183 is about 34977.4239045702. The cubic root of 1223420183 is about 1069.5273141436.

The spelling of 1223420183 in words is "one billion, two hundred twenty-three million, four hundred twenty thousand, one hundred eighty-three".