323212123231187 has 2 divisors, whose sum is σ = 323212123231188. Its totient is φ = 323212123231186.

The previous prime is 323212123231181. The next prime is 323212123231409. The reversal of 323212123231187 is 781132321212323.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323212123231187 is a prime.

It is a super-2 number, since 2×323212123231187² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (323212123231181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606061615593 + 161606061615594.

It is an arithmetic number, because the mean of its divisors is an integer number (161606061615594).

Almost surely, 2^{323212123231187} is an apocalyptic number.

323212123231187 is a deficient number, since it is larger than the sum of its proper divisors (1).

323212123231187 is an equidigital number, since it uses as much as digits as its factorization.

323212123231187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The spelling of 323212123231187 in words is "three hundred twenty-three trillion, two hundred twelve billion, one hundred twenty-three million, two hundred thirty-one thousand, one hundred eighty-seven".