321441000823 has 2 divisors, whose sum is σ = 321441000824. Its totient is φ = 321441000822.

The previous prime is 321441000761. The next prime is 321441000841. The reversal of 321441000823 is 328000144123.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321441000823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321441000791 and 321441000800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321451000823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160720500411 + 160720500412.

It is an arithmetic number, because the mean of its divisors is an integer number (160720500412).

Almost surely, 2^321441000823 is an apocalyptic number.

321441000823 is a deficient number, since it is larger than the sum of its proper divisors (1).

321441000823 is an equidigital number, since it uses as much as digits as its factorization.

321441000823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 321441000823 its reverse (328000144123), we get a palindrome (649441144946).

The spelling of 321441000823 in words is "three hundred twenty-one billion, four hundred forty-one million, eight hundred twenty-three", and thus it is an aban number.