402144424323 has 8 divisors (see below), whose sum is σ = 564413227200. Its totient is φ = 253985952168.

The previous prime is 402144424321. The next prime is 402144424327. The reversal of 402144424323 is 323424441204.

402144424323 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 402144424323 - 2¹ = 402144424321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402144424321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3527582613 + ... + 3527582726.

It is an arithmetic number, because the mean of its divisors is an integer number (70551653400).

Almost surely, 2^402144424323 is an apocalyptic number.

402144424323 is a deficient number, since it is larger than the sum of its proper divisors (162268802877).

402144424323 is a wasteful number, since it uses less digits than its factorization.

402144424323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7055165361.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 402144424323 its reverse (323424441204), we get a palindrome (725568865527).

The spelling of 402144424323 in words is "four hundred two billion, one hundred forty-four million, four hundred twenty-four thousand, three hundred twenty-three".