201323029 has 2 divisors, whose sum is σ = 201323030. Its totient is φ = 201323028.

The previous prime is 201322981. The next prime is 201323039. The reversal of 201323029 is 920323102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196056004 + 5267025 = 14002^2 + 2295^2 .

It is a cyclic number.

It is not a de Polignac number, because 201323029 - 2¹¹ = 201320981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201323039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100661514 + 100661515.

It is an arithmetic number, because the mean of its divisors is an integer number (100661515).

Almost surely, 2^201323029 is an apocalyptic number.

It is an amenable number.

201323029 is a deficient number, since it is larger than the sum of its proper divisors (1).

201323029 is an equidigital number, since it uses as much as digits as its factorization.

201323029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 201323029 is about 14188.8346596893. The cubic root of 201323029 is about 586.0902346806.

The spelling of 201323029 in words is "two hundred one million, three hundred twenty-three thousand, twenty-nine".