42321430132 has 12 divisors (see below), whose sum is σ = 76064192260. Its totient is φ = 20588803776.

The previous prime is 42321430127. The next prime is 42321430133. The reversal of 42321430132 is 23103412324.

It can be written as a sum of positive squares in 2 ways, for example, as 23275774096 + 19045656036 = 152564^2 + 138006^2 .

It is a super-2 number, since 2×42321430132² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42321430097 and 42321430106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42321430133) 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 3 ways as a sum of consecutive naturals, for example, 142977657 + ... + 142977952.

Almost surely, 2^42321430132 is an apocalyptic number.

It is an amenable number.

42321430132 is a deficient number, since it is larger than the sum of its proper divisors (33742762128).

42321430132 is a wasteful number, since it uses less digits than its factorization.

42321430132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285955650 (or 285955648 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 42321430132 its reverse (23103412324), we get a palindrome (65424842456).

The spelling of 42321430132 in words is "forty-two billion, three hundred twenty-one million, four hundred thirty thousand, one hundred thirty-two".