204423231442151 has 2 divisors, whose sum is σ = 204423231442152. Its totient is φ = 204423231442150.

The previous prime is 204423231442063. The next prime is 204423231442181. The reversal of 204423231442151 is 151244132324402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204423231442151 - 2¹⁰ = 204423231441127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204423231442181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102211615721075 + 102211615721076.

It is an arithmetic number, because the mean of its divisors is an integer number (102211615721076).

Almost surely, 2^{204423231442151} is an apocalyptic number.

204423231442151 is a deficient number, since it is larger than the sum of its proper divisors (1).

204423231442151 is an equidigital number, since it uses as much as digits as its factorization.

204423231442151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 204423231442151 its reverse (151244132324402), we get a palindrome (355667363766553).

The spelling of 204423231442151 in words is "two hundred four trillion, four hundred twenty-three billion, two hundred thirty-one million, four hundred forty-two thousand, one hundred fifty-one".