42405423021301 has 4 divisors (see below), whose sum is σ = 42780692251692. Its totient is φ = 42030153790912.

The previous prime is 42405423021281. The next prime is 42405423021323. The reversal of 42405423021301 is 10312032450424.

42405423021301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20976161840676 + 21429261180625 = 4579974^2 + 4629175^2 .

It is a cyclic number.

It is not a de Polignac number, because 42405423021301 - 2⁷ = 42405423021173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42405423021391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187634615026 + ... + 187634615251.

It is an arithmetic number, because the mean of its divisors is an integer number (10695173062923).

Almost surely, 2^{42405423021301} is an apocalyptic number.

It is an amenable number.

42405423021301 is a deficient number, since it is larger than the sum of its proper divisors (375269230391).

42405423021301 is a wasteful number, since it uses less digits than its factorization.

42405423021301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375269230390.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 42405423021301 its reverse (10312032450424), we get a palindrome (52717455471725).

The spelling of 42405423021301 in words is "forty-two trillion, four hundred five billion, four hundred twenty-three million, twenty-one thousand, three hundred one".