42432320234 has 8 divisors (see below), whose sum is σ = 63725260260. Its totient is φ = 21190566816.

The previous prime is 42432320233. The next prime is 42432320237. The reversal of 42432320234 is 43202323424.

It is a happy number.

42432320234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40090050625 + 2342269609 = 200225^2 + 48397^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42432320197 and 42432320206.

It is not an unprimeable number, because it can be changed into a prime (42432320233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12794579 + ... + 12797894.

Almost surely, 2^42432320234 is an apocalyptic number.

42432320234 is a deficient number, since it is larger than the sum of its proper divisors (21292940026).

42432320234 is a wasteful number, since it uses less digits than its factorization.

42432320234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25593304.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 42432320234 its reverse (43202323424), we get a palindrome (85634643658).

The spelling of 42432320234 in words is "forty-two billion, four hundred thirty-two million, three hundred twenty thousand, two hundred thirty-four".