1310222723 has 2 divisors, whose sum is σ = 1310222724. Its totient is φ = 1310222722.

The previous prime is 1310222717. The next prime is 1310222731. The reversal of 1310222723 is 3272220131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1310222723 - 2⁴ = 1310222707 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1310222743) 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, 655111361 + 655111362.

It is an arithmetic number, because the mean of its divisors is an integer number (655111362).

Almost surely, 2^1310222723 is an apocalyptic number.

1310222723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310222723 is an equidigital number, since it uses as much as digits as its factorization.

1310222723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1310222723 is about 36196.9988120562. The cubic root of 1310222723 is about 1094.2461880235.

Adding to 1310222723 its reverse (3272220131), we get a palindrome (4582442854).

The spelling of 1310222723 in words is "one billion, three hundred ten million, two hundred twenty-two thousand, seven hundred twenty-three".