523161166501143 has 24 divisors (see below), whose sum is σ = 756510447399200. Its totient is φ = 348389623589184.

The previous prime is 523161166501111. The next prime is 523161166501223. The reversal of 523161166501143 is 341105661161325.

523161166501143 is a `hidden beast` number, since 5 + 2 + 3 + 16 + 116 + 6 + 501 + 14 + 3 = 666.

It is not a de Polignac number, because 523161166501143 - 2⁵ = 523161166501111 is a prime.

It is a super-2 number, since 2×523161166501143² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523161166501643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87453918 + ... + 93244356.

Almost surely, 2^{523161166501143} is an apocalyptic number.

523161166501143 is a deficient number, since it is larger than the sum of its proper divisors (233349280898057).

523161166501143 is a wasteful number, since it uses less digits than its factorization.

523161166501143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5801511 (or 5801508 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 523161166501143 in words is "five hundred twenty-three trillion, one hundred sixty-one billion, one hundred sixty-six million, five hundred one thousand, one hundred forty-three".