41811971723 has 2 divisors, whose sum is σ = 41811971724. Its totient is φ = 41811971722.

The previous prime is 41811971701. The next prime is 41811971771. The reversal of 41811971723 is 32717911814.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41811971723 is a prime.

It is not a weakly prime, because it can be changed into another prime (41811974723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20905985861 + 20905985862.

It is an arithmetic number, because the mean of its divisors is an integer number (20905985862).

Almost surely, 2^41811971723 is an apocalyptic number.

41811971723 is a deficient number, since it is larger than the sum of its proper divisors (1).

41811971723 is an equidigital number, since it uses as much as digits as its factorization.

41811971723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 44.

The spelling of 41811971723 in words is "forty-one billion, eight hundred eleven million, nine hundred seventy-one thousand, seven hundred twenty-three".