1223489214947 has 2 divisors, whose sum is σ = 1223489214948. Its totient is φ = 1223489214946.

The previous prime is 1223489214943. The next prime is 1223489214977. The reversal of 1223489214947 is 7494129843221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223489214947 - 2² = 1223489214943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223489214892 and 1223489214901.

It is not a weakly prime, because it can be changed into another prime (1223489214943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611744607473 + 611744607474.

It is an arithmetic number, because the mean of its divisors is an integer number (611744607474).

Almost surely, 2^{1223489214947} is an apocalyptic number.

1223489214947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223489214947 is an equidigital number, since it uses as much as digits as its factorization.

1223489214947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6967296, while the sum is 56.

The spelling of 1223489214947 in words is "one trillion, two hundred twenty-three billion, four hundred eighty-nine million, two hundred fourteen thousand, nine hundred forty-seven".