42020310423 has 16 divisors (see below), whose sum is σ = 68956407296. Its totient is φ = 22164559200.

The previous prime is 42020310421. The next prime is 42020310463. The reversal of 42020310423 is 32401302024.

42020310423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42020310423 - 2¹ = 42020310421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 42020310423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42020310421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76960003 + ... + 76960548.

It is an arithmetic number, because the mean of its divisors is an integer number (4309775456).

Almost surely, 2^42020310423 is an apocalyptic number.

42020310423 is a deficient number, since it is larger than the sum of its proper divisors (26936096873).

42020310423 is a wasteful number, since it uses less digits than its factorization.

42020310423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153920574.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 42020310423 its reverse (32401302024), we get a palindrome (74421612447).

The spelling of 42020310423 in words is "forty-two billion, twenty million, three hundred ten thousand, four hundred twenty-three".