42378010043 has 4 divisors (see below), whose sum is σ = 42380520888. Its totient is φ = 42375499200.

The previous prime is 42378010027. The next prime is 42378010061. The reversal of 42378010043 is 34001087324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42378010043 - 2⁴ = 42378010027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42378009991 and 42378010009.

It is not an unprimeable number, because it can be changed into a prime (42378010093) 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, 1229933 + ... + 1263918.

It is an arithmetic number, because the mean of its divisors is an integer number (10595130222).

Almost surely, 2^42378010043 is an apocalyptic number.

42378010043 is a deficient number, since it is larger than the sum of its proper divisors (2510845).

42378010043 is a wasteful number, since it uses less digits than its factorization.

42378010043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510844.

The product of its (nonzero) digits is 16128, while the sum is 32.

Adding to 42378010043 its reverse (34001087324), we get a palindrome (76379097367).

The spelling of 42378010043 in words is "forty-two billion, three hundred seventy-eight million, ten thousand, forty-three".