1223234147 has 2 divisors, whose sum is σ = 1223234148. Its totient is φ = 1223234146.

The previous prime is 1223234143. The next prime is 1223234179. The reversal of 1223234147 is 7414323221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223234147 - 2² = 1223234143 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223234143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611617073 + 611617074.

It is an arithmetic number, because the mean of its divisors is an integer number (611617074).

Almost surely, 2^1223234147 is an apocalyptic number.

1223234147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223234147 is an equidigital number, since it uses as much as digits as its factorization.

1223234147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

The square root of 1223234147 is about 34974.7644309436. The cubic root of 1223234147 is about 1069.4730998264.

Adding to 1223234147 its reverse (7414323221), we get a palindrome (8637557368).

The spelling of 1223234147 in words is "one billion, two hundred twenty-three million, two hundred thirty-four thousand, one hundred forty-seven".