1863044903323 has 2 divisors, whose sum is σ = 1863044903324. Its totient is φ = 1863044903322.

The previous prime is 1863044903243. The next prime is 1863044903327. The reversal of 1863044903323 is 3233094403681.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1863044903323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1863044903327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 931522451661 + 931522451662.

It is an arithmetic number, because the mean of its divisors is an integer number (931522451662).

Almost surely, 2^{1863044903323} is an apocalyptic number.

1863044903323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1863044903323 is an equidigital number, since it uses as much as digits as its factorization.

1863044903323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 46.

The spelling of 1863044903323 in words is "one trillion, eight hundred sixty-three billion, forty-four million, nine hundred three thousand, three hundred twenty-three".