402443012003 has 8 divisors (see below), whose sum is σ = 419996095488. Its totient is φ = 384894558664.

The previous prime is 402443011951. The next prime is 402443012009. The reversal of 402443012003 is 300210344204.

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 402443012003 - 2³⁰ = 401369270179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402443012003.

It is not an unprimeable number, because it can be changed into a prime (402443012009) 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, 979325 + ... + 1328142.

It is an arithmetic number, because the mean of its divisors is an integer number (52499511936).

Almost surely, 2^402443012003 is an apocalyptic number.

402443012003 is a deficient number, since it is larger than the sum of its proper divisors (17553083485).

402443012003 is a wasteful number, since it uses less digits than its factorization.

402443012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315073.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 402443012003 its reverse (300210344204), we get a palindrome (702653356207).

The spelling of 402443012003 in words is "four hundred two billion, four hundred forty-three million, twelve thousand, three".