1168420223 has 2 divisors, whose sum is σ = 1168420224. Its totient is φ = 1168420222.

The previous prime is 1168420177. The next prime is 1168420243. The reversal of 1168420223 is 3220248611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1168420223 - 2¹⁰ = 1168419199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1168420243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584210111 + 584210112.

It is an arithmetic number, because the mean of its divisors is an integer number (584210112).

Almost surely, 2^1168420223 is an apocalyptic number.

1168420223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168420223 is an equidigital number, since it uses as much as digits as its factorization.

1168420223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1168420223 is about 34182.1623511445. The cubic root of 1168420223 is about 1053.2537685477.

Adding to 1168420223 its reverse (3220248611), we get a palindrome (4388668834).

The spelling of 1168420223 in words is "one billion, one hundred sixty-eight million, four hundred twenty thousand, two hundred twenty-three".