321284581340123 has 2 divisors, whose sum is σ = 321284581340124. Its totient is φ = 321284581340122.

The previous prime is 321284581340089. The next prime is 321284581340137. The reversal of 321284581340123 is 321043185482123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321284581340123 - 2⁶ = 321284581340059 is a prime.

It is a super-2 number, since 2×321284581340123² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321284581340143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160642290670061 + 160642290670062.

It is an arithmetic number, because the mean of its divisors is an integer number (160642290670062).

Almost surely, 2^{321284581340123} is an apocalyptic number.

321284581340123 is a deficient number, since it is larger than the sum of its proper divisors (1).

321284581340123 is an equidigital number, since it uses as much as digits as its factorization.

321284581340123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 321284581340123 in words is "three hundred twenty-one trillion, two hundred eighty-four billion, five hundred eighty-one million, three hundred forty thousand, one hundred twenty-three".