402323344311 has 16 divisors (see below), whose sum is σ = 617474681600. Its totient is φ = 228245102208.

The previous prime is 402323344261. The next prime is 402323344331. The reversal of 402323344311 is 113443323204.

It is a happy number.

It is not a de Polignac number, because 402323344311 - 2¹⁰ = 402323343287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402323344331) 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 15 ways as a sum of consecutive naturals, for example, 68911666 + ... + 68917503.

It is an arithmetic number, because the mean of its divisors is an integer number (38592167600).

Almost surely, 2^402323344311 is an apocalyptic number.

402323344311 is a deficient number, since it is larger than the sum of its proper divisors (215151337289).

402323344311 is a wasteful number, since it uses less digits than its factorization.

402323344311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137829318.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 402323344311 its reverse (113443323204), we get a palindrome (515766667515).

The spelling of 402323344311 in words is "four hundred two billion, three hundred twenty-three million, three hundred forty-four thousand, three hundred eleven".