2023205122061 has 2 divisors, whose sum is σ = 2023205122062. Its totient is φ = 2023205122060.

The previous prime is 2023205122049. The next prime is 2023205122117. The reversal of 2023205122061 is 1602215023202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1063412625961 + 959792496100 = 1031219^2 + 979690^2 .

It is a cyclic number.

It is not a de Polignac number, because 2023205122061 - 2³⁰ = 2022131380237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2023205122061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2023205122021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011602561030 + 1011602561031.

It is an arithmetic number, because the mean of its divisors is an integer number (1011602561031).

Almost surely, 2^{2023205122061} is an apocalyptic number.

It is an amenable number.

2023205122061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2023205122061 is an equidigital number, since it uses as much as digits as its factorization.

2023205122061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 2023205122061 in words is "two trillion, twenty-three billion, two hundred five million, one hundred twenty-two thousand, sixty-one".