202301323109 has 2 divisors, whose sum is σ = 202301323110. Its totient is φ = 202301323108.

The previous prime is 202301323013. The next prime is 202301323177. The reversal of 202301323109 is 901323103202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190366416100 + 11934907009 = 436310^2 + 109247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202301323109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202301328109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101150661554 + 101150661555.

It is an arithmetic number, because the mean of its divisors is an integer number (101150661555).

Almost surely, 2^202301323109 is an apocalyptic number.

It is an amenable number.

202301323109 is a deficient number, since it is larger than the sum of its proper divisors (1).

202301323109 is an equidigital number, since it uses as much as digits as its factorization.

202301323109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 202301323109 in words is "two hundred two billion, three hundred one million, three hundred twenty-three thousand, one hundred nine".