1123247713 has 4 divisors (see below), whose sum is σ = 1283711680. Its totient is φ = 962783748.

The previous prime is 1123247701. The next prime is 1123247731. The reversal of 1123247713 is 3177423211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123247713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123247773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80231973 + ... + 80231986.

It is an arithmetic number, because the mean of its divisors is an integer number (320927920).

Almost surely, 2^1123247713 is an apocalyptic number.

It is an amenable number.

1123247713 is a deficient number, since it is larger than the sum of its proper divisors (160463967).

1123247713 is an equidigital number, since it uses as much as digits as its factorization.

1123247713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160463966.

The product of its digits is 7056, while the sum is 31.

The square root of 1123247713 is about 33514.8879305899. The cubic root of 1123247713 is about 1039.5016451702.

The spelling of 1123247713 in words is "one billion, one hundred twenty-three million, two hundred forty-seven thousand, seven hundred thirteen".