40143524523 has 32 divisors (see below), whose sum is σ = 54971744256. Its totient is φ = 26047502208.

The previous prime is 40143524507. The next prime is 40143524557. The reversal of 40143524523 is 32542534104.

It is not a de Polignac number, because 40143524523 - 2⁴ = 40143524507 is a prime.

It is a super-2 number, since 2×40143524523² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40143524563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24138390 + ... + 24140052.

It is an arithmetic number, because the mean of its divisors is an integer number (1717867008).

Almost surely, 2^40143524523 is an apocalyptic number.

40143524523 is a deficient number, since it is larger than the sum of its proper divisors (14828219733).

40143524523 is a wasteful number, since it uses less digits than its factorization.

40143524523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843.

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 40143524523 in words is "forty billion, one hundred forty-three million, five hundred twenty-four thousand, five hundred twenty-three".