402143200023 has 4 divisors (see below), whose sum is σ = 536190933368. Its totient is φ = 268095466680.

The previous prime is 402143200003. The next prime is 402143200031. The reversal of 402143200023 is 320002341204.

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

It is not a de Polignac number, because 402143200023 - 2⁸ = 402143199767 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 (402143200003) 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 3 ways as a sum of consecutive naturals, for example, 67023866668 + ... + 67023866673.

It is an arithmetic number, because the mean of its divisors is an integer number (134047733342).

Almost surely, 2^402143200023 is an apocalyptic number.

402143200023 is a deficient number, since it is larger than the sum of its proper divisors (134047733345).

402143200023 is a wasteful number, since it uses less digits than its factorization.

402143200023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134047733344.

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

Adding to 402143200023 its reverse (320002341204), we get a palindrome (722145541227).

The spelling of 402143200023 in words is "four hundred two billion, one hundred forty-three million, two hundred thousand, twenty-three".