1318252723 has 2 divisors, whose sum is σ = 1318252724. Its totient is φ = 1318252722.

The previous prime is 1318252717. The next prime is 1318252759. The reversal of 1318252723 is 3272528131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1318252723 - 2¹³ = 1318244531 is a prime.

It is not a weakly prime, because it can be changed into another prime (1318252703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659126361 + 659126362.

It is an arithmetic number, because the mean of its divisors is an integer number (659126362).

Almost surely, 2^1318252723 is an apocalyptic number.

1318252723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1318252723 is an equidigital number, since it uses as much as digits as its factorization.

1318252723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 34.

The square root of 1318252723 is about 36307.7501781644. The cubic root of 1318252723 is about 1096.4770828106.

The spelling of 1318252723 in words is "one billion, three hundred eighteen million, two hundred fifty-two thousand, seven hundred twenty-three".