42723522130 has 16 divisors (see below), whose sum is σ = 76905492120. Its totient is φ = 17088708352.

The previous prime is 42723522109. The next prime is 42723522157. The reversal of 42723522130 is 3122532724.

It can be written as a sum of positive squares in 4 ways, for example, as 29412593001 + 13310929129 = 171501^2 + 115373^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42723522092 and 42723522101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220056 + ... + 365884.

Almost surely, 2^42723522130 is an apocalyptic number.

42723522130 is a deficient number, since it is larger than the sum of its proper divisors (34181969990).

42723522130 is a wasteful number, since it uses less digits than its factorization.

42723522130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175133.

The product of its (nonzero) digits is 20160, while the sum is 31.

The spelling of 42723522130 in words is "forty-two billion, seven hundred twenty-three million, five hundred twenty-two thousand, one hundred thirty".