323123149 has 2 divisors, whose sum is σ = 323123150. Its totient is φ = 323123148.

The previous prime is 323123089. The next prime is 323123189. The reversal of 323123149 is 941321323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 322741225 + 381924 = 17965^2 + 618^2 .

It is an emirp because it is prime and its reverse (941321323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323123149 - 2²¹ = 321025997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323123189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161561574 + 161561575.

It is an arithmetic number, because the mean of its divisors is an integer number (161561575).

Almost surely, 2^323123149 is an apocalyptic number.

It is an amenable number.

323123149 is a deficient number, since it is larger than the sum of its proper divisors (1).

323123149 is an equidigital number, since it uses as much as digits as its factorization.

323123149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 28.

The square root of 323123149 is about 17975.6265259378. The cubic root of 323123149 is about 686.2083907915.

The spelling of 323123149 in words is "three hundred twenty-three million, one hundred twenty-three thousand, one hundred forty-nine".