402143242043 has 8 divisors (see below), whose sum is σ = 406308303408. Its totient is φ = 397978573824.

The previous prime is 402143242003. The next prime is 402143242079. The reversal of 402143242043 is 340242341204.

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

It is a cyclic number.

It is not a de Polignac number, because 402143242043 - 2³⁶ = 333423765307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402143241997 and 402143242015.

It is not an unprimeable number, because it can be changed into a prime (402143242003) 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 7 ways as a sum of consecutive naturals, for example, 2245955 + ... + 2418387.

It is an arithmetic number, because the mean of its divisors is an integer number (50788537926).

Almost surely, 2^402143242043 is an apocalyptic number.

402143242043 is a deficient number, since it is larger than the sum of its proper divisors (4165061365).

402143242043 is a wasteful number, since it uses less digits than its factorization.

402143242043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196573.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 402143242043 its reverse (340242341204), we get a palindrome (742385583247).

The spelling of 402143242043 in words is "four hundred two billion, one hundred forty-three million, two hundred forty-two thousand, forty-three".