402442213223 has 8 divisors (see below), whose sum is σ = 423723073200. Its totient is φ = 381171322368.

The previous prime is 402442213193. The next prime is 402442213253. The reversal of 402442213223 is 322312244204.

It is an interprime number because it is at equal distance from previous prime (402442213193) and next prime (402442213253).

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 402442213223 - 2²⁰ = 402441164647 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 (402442213253) 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, 2409338 + ... + 2570951.

It is an arithmetic number, because the mean of its divisors is an integer number (52965384150).

Almost surely, 2^402442213223 is an apocalyptic number.

402442213223 is a deficient number, since it is larger than the sum of its proper divisors (21280859977).

402442213223 is a wasteful number, since it uses less digits than its factorization.

402442213223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4984561.

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

Adding to 402442213223 its reverse (322312244204), we get a palindrome (724754457427).

The spelling of 402442213223 in words is "four hundred two billion, four hundred forty-two million, two hundred thirteen thousand, two hundred twenty-three".