402143321233 has 16 divisors (see below), whose sum is σ = 418285969920. Its totient is φ = 386156305024.

The previous prime is 402143321227. The next prime is 402143321257. The reversal of 402143321233 is 332123341204.

It is a happy number.

It is not a de Polignac number, because 402143321233 - 2²⁵ = 402109766801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402143321033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5796810 + ... + 5865772.

It is an arithmetic number, because the mean of its divisors is an integer number (26142873120).

Almost surely, 2^402143321233 is an apocalyptic number.

It is an amenable number.

402143321233 is a deficient number, since it is larger than the sum of its proper divisors (16142648687).

402143321233 is a wasteful number, since it uses less digits than its factorization.

402143321233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70088.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 402143321233 its reverse (332123341204), we get a palindrome (734266662437).

The spelling of 402143321233 in words is "four hundred two billion, one hundred forty-three million, three hundred twenty-one thousand, two hundred thirty-three".