423140442042 has 8 divisors (see below), whose sum is σ = 846280884096. Its totient is φ = 141046814012.

The previous prime is 423140442019. The next prime is 423140442061. The reversal of 423140442042 is 240244041324.

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

423140442042 is an admirable number.

It is a super-2 number, since 2×423140442042² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35261703498 + ... + 35261703509.

It is an arithmetic number, because the mean of its divisors is an integer number (105785110512).

Almost surely, 2^423140442042 is an apocalyptic number.

423140442042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

423140442042 is a wasteful number, since it uses less digits than its factorization.

423140442042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70523407012.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 423140442042 its reverse (240244041324), we get a palindrome (663384483366).

The spelling of 423140442042 in words is "four hundred twenty-three billion, one hundred forty million, four hundred forty-two thousand, forty-two".