2123044061977 has 2 divisors, whose sum is σ = 2123044061978. Its totient is φ = 2123044061976.

The previous prime is 2123044061969. The next prime is 2123044061987. The reversal of 2123044061977 is 7791604403212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1513037763136 + 610006298841 = 1230056^2 + 781029^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123044061977 - 2³ = 2123044061969 is a prime.

It is not a weakly prime, because it can be changed into another prime (2123044061987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061522030988 + 1061522030989.

It is an arithmetic number, because the mean of its divisors is an integer number (1061522030989).

Almost surely, 2^{2123044061977} is an apocalyptic number.

It is an amenable number.

2123044061977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123044061977 is an equidigital number, since it uses as much as digits as its factorization.

2123044061977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 2123044061977 in words is "two trillion, one hundred twenty-three billion, forty-four million, sixty-one thousand, nine hundred seventy-seven".