402243323234 has 16 divisors (see below), whose sum is σ = 603976010976. Its totient is φ = 200918080800.

The previous prime is 402243323233. The next prime is 402243323281. The reversal of 402243323234 is 432323342204.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 402243323234.

It is not an unprimeable number, because it can be changed into a prime (402243323233) 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, 9418589 + ... + 9461199.

It is an arithmetic number, because the mean of its divisors is an integer number (37748500686).

Almost surely, 2^402243323234 is an apocalyptic number.

402243323234 is a deficient number, since it is larger than the sum of its proper divisors (201732687742).

402243323234 is a wasteful number, since it uses less digits than its factorization.

402243323234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47281.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 402243323234 its reverse (432323342204), we get a palindrome (834566665438).

The spelling of 402243323234 in words is "four hundred two billion, two hundred forty-three million, three hundred twenty-three thousand, two hundred thirty-four".