42321423201 has 16 divisors (see below), whose sum is σ = 57077524800. Its totient is φ = 27889968128.

The previous prime is 42321423191. The next prime is 42321423247. The reversal of 42321423201 is 10232412324.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42321423201 - 2⁷ = 42321423073 is a prime.

It is a super-2 number, since 2×42321423201² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42321427201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1118545 + ... + 1155761.

It is an arithmetic number, because the mean of its divisors is an integer number (3567345300).

Almost surely, 2^42321423201 is an apocalyptic number.

It is an amenable number.

42321423201 is a deficient number, since it is larger than the sum of its proper divisors (14756101599).

42321423201 is a wasteful number, since it uses less digits than its factorization.

42321423201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41568.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 42321423201 its reverse (10232412324), we get a palindrome (52553835525).

The spelling of 42321423201 in words is "forty-two billion, three hundred twenty-one million, four hundred twenty-three thousand, two hundred one".