1119661223 has 2 divisors, whose sum is σ = 1119661224. Its totient is φ = 1119661222.

The previous prime is 1119661211. The next prime is 1119661237. The reversal of 1119661223 is 3221669111.

It is a weak prime.

It is an emirp because it is prime and its reverse (3221669111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1119661223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1119661223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1119661243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559830611 + 559830612.

It is an arithmetic number, because the mean of its divisors is an integer number (559830612).

Almost surely, 2^1119661223 is an apocalyptic number.

1119661223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1119661223 is an equidigital number, since it uses as much as digits as its factorization.

1119661223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 32.

The square root of 1119661223 is about 33461.3392290267. The cubic root of 1119661223 is about 1038.3941016221.

The spelling of 1119661223 in words is "one billion, one hundred nineteen million, six hundred sixty-one thousand, two hundred twenty-three".