1000401522343 has 2 divisors, whose sum is σ = 1000401522344. Its totient is φ = 1000401522342.

The previous prime is 1000401522277. The next prime is 1000401522359. The reversal of 1000401522343 is 3432251040001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000401522343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000401522643) 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, 500200761171 + 500200761172.

It is an arithmetic number, because the mean of its divisors is an integer number (500200761172).

Almost surely, 2^{1000401522343} is an apocalyptic number.

1000401522343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000401522343 is an equidigital number, since it uses as much as digits as its factorization.

1000401522343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 1000401522343 its reverse (3432251040001), we get a palindrome (4432652562344).

The spelling of 1000401522343 in words is "one trillion, four hundred one million, five hundred twenty-two thousand, three hundred forty-three".