1177220223 has 10 divisors (see below), whose sum is σ = 1758563664. Its totient is φ = 784813428.

The previous prime is 1177220207. The next prime is 1177220251. The reversal of 1177220223 is 3220227711.

It is not a de Polignac number, because 1177220223 - 2⁴ = 1177220207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1177220263) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7266711 + ... + 7266872.

Almost surely, 2^1177220223 is an apocalyptic number.

1177220223 is a deficient number, since it is larger than the sum of its proper divisors (581343441).

1177220223 is an equidigital number, since it uses as much as digits as its factorization.

1177220223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14533595 (or 14533586 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 1177220223 is about 34310.6429989296. The cubic root of 1177220223 is about 1055.8913644056.

Adding to 1177220223 its reverse (3220227711), we get a palindrome (4397447934).

The spelling of 1177220223 in words is "one billion, one hundred seventy-seven million, two hundred twenty thousand, two hundred twenty-three".