204953843023 has 2 divisors, whose sum is σ = 204953843024. Its totient is φ = 204953843022.

The previous prime is 204953843009. The next prime is 204953843033. The reversal of 204953843023 is 320348359402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204953843023 - 2³⁷ = 67514889551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204953843033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102476921511 + 102476921512.

It is an arithmetic number, because the mean of its divisors is an integer number (102476921512).

Almost surely, 2^204953843023 is an apocalyptic number.

204953843023 is a deficient number, since it is larger than the sum of its proper divisors (1).

204953843023 is an equidigital number, since it uses as much as digits as its factorization.

204953843023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 204953843023 in words is "two hundred four billion, nine hundred fifty-three million, eight hundred forty-three thousand, twenty-three".