1223248867 has 2 divisors, whose sum is σ = 1223248868. Its totient is φ = 1223248866.

The previous prime is 1223248769. The next prime is 1223248879. The reversal of 1223248867 is 7688423221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223248867 - 2²³ = 1214860259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223248267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611624433 + 611624434.

It is an arithmetic number, because the mean of its divisors is an integer number (611624434).

Almost surely, 2^1223248867 is an apocalyptic number.

1223248867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223248867 is an equidigital number, since it uses as much as digits as its factorization.

1223248867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 43.

The square root of 1223248867 is about 34974.9748677537. The cubic root of 1223248867 is about 1069.4773897058.

The spelling of 1223248867 in words is "one billion, two hundred twenty-three million, two hundred forty-eight thousand, eight hundred sixty-seven".