26403515343323 has 2 divisors, whose sum is σ = 26403515343324. Its totient is φ = 26403515343322.

The previous prime is 26403515343229. The next prime is 26403515343383. The reversal of 26403515343323 is 32334351530462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26403515343323 is a prime.

It is not a weakly prime, because it can be changed into another prime (26403515343383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13201757671661 + 13201757671662.

It is an arithmetic number, because the mean of its divisors is an integer number (13201757671662).

Almost surely, 2^{26403515343323} is an apocalyptic number.

26403515343323 is a deficient number, since it is larger than the sum of its proper divisors (1).

26403515343323 is an equidigital number, since it uses as much as digits as its factorization.

26403515343323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2332800, while the sum is 44.

Adding to 26403515343323 its reverse (32334351530462), we get a palindrome (58737866873785).

The spelling of 26403515343323 in words is "twenty-six trillion, four hundred three billion, five hundred fifteen million, three hundred forty-three thousand, three hundred twenty-three".