1199640223 has 2 divisors, whose sum is σ = 1199640224. Its totient is φ = 1199640222.

The previous prime is 1199640199. The next prime is 1199640269. The reversal of 1199640223 is 3220469911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1199640223 - 2⁵ = 1199640191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1199640283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599820111 + 599820112.

It is an arithmetic number, because the mean of its divisors is an integer number (599820112).

Almost surely, 2^1199640223 is an apocalyptic number.

1199640223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1199640223 is an equidigital number, since it uses as much as digits as its factorization.

1199640223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1199640223 is about 34635.8228283955. The cubic root of 1199640223 is about 1062.5523585363.

The spelling of 1199640223 in words is "one billion, one hundred ninety-nine million, six hundred forty thousand, two hundred twenty-three".