402344300323 has 8 divisors (see below), whose sum is σ = 472249680992. Its totient is φ = 335545825536.

The previous prime is 402344300287. The next prime is 402344300341. The reversal of 402344300323 is 323003443204.

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 402344300323 - 2¹³ = 402344292131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402344300291 and 402344300300.

It is not an unprimeable number, because it can be changed into a prime (402344300023) 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 7 ways as a sum of consecutive naturals, for example, 776726190 + ... + 776726707.

It is an arithmetic number, because the mean of its divisors is an integer number (59031210124).

Almost surely, 2^402344300323 is an apocalyptic number.

402344300323 is a deficient number, since it is larger than the sum of its proper divisors (69905380669).

402344300323 is a wasteful number, since it uses less digits than its factorization.

402344300323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553452941.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 402344300323 its reverse (323003443204), we get a palindrome (725347743527).

The spelling of 402344300323 in words is "four hundred two billion, three hundred forty-four million, three hundred thousand, three hundred twenty-three".