1223203097 has 2 divisors, whose sum is σ = 1223203098. Its totient is φ = 1223203096.

The previous prime is 1223203087. The next prime is 1223203099. The reversal of 1223203097 is 7903023221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1211805721 + 11397376 = 34811^2 + 3376^2 .

It is an emirp because it is prime and its reverse (7903023221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1223203097 - 2²⁸ = 954767641 is a prime.

Together with 1223203099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1223203099) 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, 611601548 + 611601549.

It is an arithmetic number, because the mean of its divisors is an integer number (611601549).

Almost surely, 2^1223203097 is an apocalyptic number.

It is an amenable number.

1223203097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223203097 is an equidigital number, since it uses as much as digits as its factorization.

1223203097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 1223203097 is about 34974.3205366452. The cubic root of 1223203097 is about 1069.4640507492.

The spelling of 1223203097 in words is "one billion, two hundred twenty-three million, two hundred three thousand, ninety-seven".