2012021576723 has 2 divisors, whose sum is σ = 2012021576724. Its totient is φ = 2012021576722.

The previous prime is 2012021576693. The next prime is 2012021576731. The reversal of 2012021576723 is 3276751202102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2012021576723 - 2³⁴ = 1994841707539 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012021576743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006010788361 + 1006010788362.

It is an arithmetic number, because the mean of its divisors is an integer number (1006010788362).

Almost surely, 2^{2012021576723} is an apocalyptic number.

2012021576723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012021576723 is an equidigital number, since it uses as much as digits as its factorization.

2012021576723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 38.

Adding to 2012021576723 its reverse (3276751202102), we get a palindrome (5288772778825).

The spelling of 2012021576723 in words is "two trillion, twelve billion, twenty-one million, five hundred seventy-six thousand, seven hundred twenty-three".