1313086823 has 2 divisors, whose sum is σ = 1313086824. Its totient is φ = 1313086822.

The previous prime is 1313086807. The next prime is 1313086849. The reversal of 1313086823 is 3286803131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313086823 - 2⁴ = 1313086807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313086883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656543411 + 656543412.

It is an arithmetic number, because the mean of its divisors is an integer number (656543412).

Almost surely, 2^1313086823 is an apocalyptic number.

1313086823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313086823 is an equidigital number, since it uses as much as digits as its factorization.

1313086823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1313086823 is about 36236.5398872464. The cubic root of 1313086823 is about 1095.0429354251.

Adding to 1313086823 its reverse (3286803131), we get a palindrome (4599889954).

The spelling of 1313086823 in words is "one billion, three hundred thirteen million, eighty-six thousand, eight hundred twenty-three".