323140702731293 has 2 divisors, whose sum is σ = 323140702731294. Its totient is φ = 323140702731292.

The previous prime is 323140702731281. The next prime is 323140702731307. The reversal of 323140702731293 is 392137207041323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323137906225369 + 2796505924 = 17976037^2 + 52882^2 .

It is an emirp because it is prime and its reverse (392137207041323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323140702731293 - 2⁴ = 323140702731277 is a prime.

It is a super-2 number, since 2×323140702731293² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323140702739293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161570351365646 + 161570351365647.

It is an arithmetic number, because the mean of its divisors is an integer number (161570351365647).

Almost surely, 2^{323140702731293} is an apocalyptic number.

It is an amenable number.

323140702731293 is a deficient number, since it is larger than the sum of its proper divisors (1).

323140702731293 is an equidigital number, since it uses as much as digits as its factorization.

323140702731293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 47.

The spelling of 323140702731293 in words is "three hundred twenty-three trillion, one hundred forty billion, seven hundred two million, seven hundred thirty-one thousand, two hundred ninety-three".