400313132343983 has 2 divisors, whose sum is σ = 400313132343984. Its totient is φ = 400313132343982.

The previous prime is 400313132343959. The next prime is 400313132344039. The reversal of 400313132343983 is 389343231313004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400313132343983 - 2¹⁶ = 400313132278447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400313132343283) 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 as a sum of consecutive naturals, namely, 200156566171991 + 200156566171992.

It is an arithmetic number, because the mean of its divisors is an integer number (200156566171992).

Almost surely, 2^{400313132343983} is an apocalyptic number.

400313132343983 is a deficient number, since it is larger than the sum of its proper divisors (1).

400313132343983 is an equidigital number, since it uses as much as digits as its factorization.

400313132343983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 47.

Adding to 400313132343983 its reverse (389343231313004), we get a palindrome (789656363656987).

The spelling of 400313132343983 in words is "four hundred trillion, three hundred thirteen billion, one hundred thirty-two million, three hundred forty-three thousand, nine hundred eighty-three".