1223717713 has 2 divisors, whose sum is σ = 1223717714. Its totient is φ = 1223717712.

The previous prime is 1223717711. The next prime is 1223717791. The reversal of 1223717713 is 3177173221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1223390529 + 327184 = 34977^2 + 572^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223717713 - 2¹ = 1223717711 is a prime.

It is a super-2 number, since 2×1223717713² = 2994970082219900738, which contains 22 as substring.

Together with 1223717711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1223717711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611858856 + 611858857.

It is an arithmetic number, because the mean of its divisors is an integer number (611858857).

Almost surely, 2^1223717713 is an apocalyptic number.

It is an amenable number.

1223717713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223717713 is an equidigital number, since it uses as much as digits as its factorization.

1223717713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12348, while the sum is 34.

The square root of 1223717713 is about 34981.6768180143. The cubic root of 1223717713 is about 1069.6140084436.

The spelling of 1223717713 in words is "one billion, two hundred twenty-three million, seven hundred seventeen thousand, seven hundred thirteen".