42143123430 has 48 divisors (see below), whose sum is σ = 110701753344. Its totient is φ = 11122306560.

The previous prime is 42143123411. The next prime is 42143123441. The reversal of 42143123430 is 3432134124.

42143123430 is a `hidden beast` number, since 4 + 2 + 1 + 4 + 312 + 343 + 0 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42143123394 and 42143123403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2404966 + ... + 2422425.

It is an arithmetic number, because the mean of its divisors is an integer number (2306286528).

Almost surely, 2^42143123430 is an apocalyptic number.

42143123430 is an abundant number, since it is smaller than the sum of its proper divisors (68558629914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42143123430 is a wasteful number, since it uses less digits than its factorization.

42143123430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4827501 (or 4827498 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 42143123430 its reverse (3432134124), we get a palindrome (45575257554).

The spelling of 42143123430 in words is "forty-two billion, one hundred forty-three million, one hundred twenty-three thousand, four hundred thirty".