204423151 has 2 divisors, whose sum is σ = 204423152. Its totient is φ = 204423150.

The previous prime is 204423133. The next prime is 204423169. The reversal of 204423151 is 151324402.

It is a balanced prime because it is at equal distance from previous prime (204423133) and next prime (204423169).

It is a cyclic number.

It is not a de Polignac number, because 204423151 - 2⁹ = 204422639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204423101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102211575 + 102211576.

It is an arithmetic number, because the mean of its divisors is an integer number (102211576).

Almost surely, 2^204423151 is an apocalyptic number.

204423151 is a deficient number, since it is larger than the sum of its proper divisors (1).

204423151 is an equidigital number, since it uses as much as digits as its factorization.

204423151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 204423151 is about 14297.6624313207. The cubic root of 204423151 is about 589.0832751988.

Adding to 204423151 its reverse (151324402), we get a palindrome (355747553).

The spelling of 204423151 in words is "two hundred four million, four hundred twenty-three thousand, one hundred fifty-one".