201830323 has 2 divisors, whose sum is σ = 201830324. Its totient is φ = 201830322.

The previous prime is 201830309. The next prime is 201830333. The reversal of 201830323 is 323038102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201830323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201830294 and 201830303.

It is not a weakly prime, because it can be changed into another prime (201830303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100915161 + 100915162.

It is an arithmetic number, because the mean of its divisors is an integer number (100915162).

Almost surely, 2^201830323 is an apocalyptic number.

201830323 is a deficient number, since it is larger than the sum of its proper divisors (1).

201830323 is an equidigital number, since it uses as much as digits as its factorization.

201830323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 201830323 is about 14206.6999334821. The cubic root of 201830323 is about 586.5820987275.

Adding to 201830323 its reverse (323038102), we get a palindrome (524868425).

The spelling of 201830323 in words is "two hundred one million, eight hundred thirty thousand, three hundred twenty-three".