1223642183 has 2 divisors, whose sum is σ = 1223642184. Its totient is φ = 1223642182.

The previous prime is 1223642177. The next prime is 1223642243. The reversal of 1223642183 is 3812463221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223642183 - 2²⁶ = 1156533319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223648183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611821091 + 611821092.

It is an arithmetic number, because the mean of its divisors is an integer number (611821092).

Almost surely, 2^1223642183 is an apocalyptic number.

1223642183 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223642183 is an equidigital number, since it uses as much as digits as its factorization.

1223642183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

The square root of 1223642183 is about 34980.5972361822. The cubic root of 1223642183 is about 1069.5920018410.

The spelling of 1223642183 in words is "one billion, two hundred twenty-three million, six hundred forty-two thousand, one hundred eighty-three".