1365163823 has 2 divisors, whose sum is σ = 1365163824. Its totient is φ = 1365163822.

The previous prime is 1365163783. The next prime is 1365163829. The reversal of 1365163823 is 3283615631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1365163823 - 2⁸ = 1365163567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1365163829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682581911 + 682581912.

It is an arithmetic number, because the mean of its divisors is an integer number (682581912).

Almost surely, 2^1365163823 is an apocalyptic number.

1365163823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1365163823 is an equidigital number, since it uses as much as digits as its factorization.

1365163823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 38.

The square root of 1365163823 is about 36948.1234029551. The cubic root of 1365163823 is about 1109.3321261622.

The spelling of 1365163823 in words is "one billion, three hundred sixty-five million, one hundred sixty-three thousand, eight hundred twenty-three".