155063423243 has 2 divisors, whose sum is σ = 155063423244. Its totient is φ = 155063423242.

The previous prime is 155063423239. The next prime is 155063423269. The reversal of 155063423243 is 342324360551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155063423243 - 2² = 155063423239 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 155063423197 and 155063423206.

It is not a weakly prime, because it can be changed into another prime (155063423213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77531711621 + 77531711622.

It is an arithmetic number, because the mean of its divisors is an integer number (77531711622).

Almost surely, 2^155063423243 is an apocalyptic number.

155063423243 is a deficient number, since it is larger than the sum of its proper divisors (1).

155063423243 is an equidigital number, since it uses as much as digits as its factorization.

155063423243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 155063423243 its reverse (342324360551), we get a palindrome (497387783794).

The spelling of 155063423243 in words is "one hundred fifty-five billion, sixty-three million, four hundred twenty-three thousand, two hundred forty-three".