1316542723 has 2 divisors, whose sum is σ = 1316542724. Its totient is φ = 1316542722.

The previous prime is 1316542681. The next prime is 1316542757. The reversal of 1316542723 is 3272456131.

It is an a-pointer prime, because the next prime (1316542757) can be obtained adding 1316542723 to its sum of digits (34).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1316542723 is a prime.

It is not a weakly prime, because it can be changed into another prime (1316542823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658271361 + 658271362.

It is an arithmetic number, because the mean of its divisors is an integer number (658271362).

Almost surely, 2^1316542723 is an apocalyptic number.

1316542723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316542723 is an equidigital number, since it uses as much as digits as its factorization.

1316542723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 1316542723 is about 36284.1938452544. The cubic root of 1316542723 is about 1096.0027713513.

Adding to 1316542723 its reverse (3272456131), we get a palindrome (4588998854).

The spelling of 1316542723 in words is "one billion, three hundred sixteen million, five hundred forty-two thousand, seven hundred twenty-three".