143123560161055 has 16 divisors (see below), whose sum is σ = 183264198167520. Its totient is φ = 106986667027968.

The previous prime is 143123560161047. The next prime is 143123560161059. The reversal of 143123560161055 is 550161065321341.

It is a cyclic number.

It is not a de Polignac number, because 143123560161055 - 2³ = 143123560161047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143123560161059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10318923142 + ... + 10318937011.

It is an arithmetic number, because the mean of its divisors is an integer number (11454012385470).

Almost surely, 2^{143123560161055} is an apocalyptic number.

143123560161055 is a deficient number, since it is larger than the sum of its proper divisors (40140638006465).

143123560161055 is a wasteful number, since it uses less digits than its factorization.

143123560161055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20637860250.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 143123560161055 in words is "one hundred forty-three trillion, one hundred twenty-three billion, five hundred sixty million, one hundred sixty-one thousand, fifty-five".