204130343423 has 2 divisors, whose sum is σ = 204130343424. Its totient is φ = 204130343422.

The previous prime is 204130343419. The next prime is 204130343447. The reversal of 204130343423 is 324343031402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204130343423 - 2² = 204130343419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204130343413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102065171711 + 102065171712.

It is an arithmetic number, because the mean of its divisors is an integer number (102065171712).

Almost surely, 2^204130343423 is an apocalyptic number.

204130343423 is a deficient number, since it is larger than the sum of its proper divisors (1).

204130343423 is an equidigital number, since it uses as much as digits as its factorization.

204130343423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 204130343423 its reverse (324343031402), we get a palindrome (528473374825).

The spelling of 204130343423 in words is "two hundred four billion, one hundred thirty million, three hundred forty-three thousand, four hundred twenty-three".