155063423263 has 16 divisors (see below), whose sum is σ = 187998624000. Its totient is φ = 124853947776.

The previous prime is 155063423243. The next prime is 155063423269. The reversal of 155063423263 is 362324360551.

It is a cyclic number.

It is not a de Polignac number, because 155063423263 - 2⁵ = 155063423231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155063423269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1183513 + ... + 1307986.

It is an arithmetic number, because the mean of its divisors is an integer number (11749914000).

Almost surely, 2^155063423263 is an apocalyptic number.

155063423263 is a deficient number, since it is larger than the sum of its proper divisors (32935200737).

155063423263 is a wasteful number, since it uses less digits than its factorization.

155063423263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492046.

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 155063423263 in words is "one hundred fifty-five billion, sixty-three million, four hundred twenty-three thousand, two hundred sixty-three".