8449211723 has 2 divisors, whose sum is σ = 8449211724. Its totient is φ = 8449211722.

The previous prime is 8449211699. The next prime is 8449211791. The reversal of 8449211723 is 3271129448.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8449211723 is a prime.

It is not a weakly prime, because it can be changed into another prime (8449211423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4224605861 + 4224605862.

It is an arithmetic number, because the mean of its divisors is an integer number (4224605862).

Almost surely, 2^8449211723 is an apocalyptic number.

8449211723 is a deficient number, since it is larger than the sum of its proper divisors (1).

8449211723 is an equidigital number, since it uses as much as digits as its factorization.

8449211723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 8449211723 is about 91919.5937926186. The cubic root of 8449211723 is about 2036.7547179147.

The spelling of 8449211723 in words is "eight billion, four hundred forty-nine million, two hundred eleven thousand, seven hundred twenty-three".