1223204432167 has 2 divisors, whose sum is σ = 1223204432168. Its totient is φ = 1223204432166.

The previous prime is 1223204432119. The next prime is 1223204432209. The reversal of 1223204432167 is 7612344023221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223204432167 - 2²⁷ = 1223070214439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223204430167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611602216083 + 611602216084.

It is an arithmetic number, because the mean of its divisors is an integer number (611602216084).

Almost surely, 2^{1223204432167} is an apocalyptic number.

1223204432167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223204432167 is an equidigital number, since it uses as much as digits as its factorization.

1223204432167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 37.

Adding to 1223204432167 its reverse (7612344023221), we get a palindrome (8835548455388).

The spelling of 1223204432167 in words is "one trillion, two hundred twenty-three billion, two hundred four million, four hundred thirty-two thousand, one hundred sixty-seven".