323212162921447 has 2 divisors, whose sum is σ = 323212162921448. Its totient is φ = 323212162921446.

The previous prime is 323212162921379. The next prime is 323212162921457. The reversal of 323212162921447 is 744129261212323.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323212162921447 is a prime.

It is a super-2 number, since 2×323212162921447² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 323212162921447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323212162921457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606081460723 + 161606081460724.

It is an arithmetic number, because the mean of its divisors is an integer number (161606081460724).

Almost surely, 2^{323212162921447} is an apocalyptic number.

323212162921447 is a deficient number, since it is larger than the sum of its proper divisors (1).

323212162921447 is an equidigital number, since it uses as much as digits as its factorization.

323212162921447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 49.

The spelling of 323212162921447 in words is "three hundred twenty-three trillion, two hundred twelve billion, one hundred sixty-two million, nine hundred twenty-one thousand, four hundred forty-seven".