163042350623 has 2 divisors, whose sum is σ = 163042350624. Its totient is φ = 163042350622.

The previous prime is 163042350587. The next prime is 163042350637. The reversal of 163042350623 is 326053240361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163042350623 - 2²² = 163038156319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163042350673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81521175311 + 81521175312.

It is an arithmetic number, because the mean of its divisors is an integer number (81521175312).

Almost surely, 2^163042350623 is an apocalyptic number.

163042350623 is a deficient number, since it is larger than the sum of its proper divisors (1).

163042350623 is an equidigital number, since it uses as much as digits as its factorization.

163042350623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 163042350623 its reverse (326053240361), we get a palindrome (489095590984).

The spelling of 163042350623 in words is "one hundred sixty-three billion, forty-two million, three hundred fifty thousand, six hundred twenty-three".