8149040723 has 2 divisors, whose sum is σ = 8149040724. Its totient is φ = 8149040722.

The previous prime is 8149040719. The next prime is 8149040749. The reversal of 8149040723 is 3270409418.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8149040723 - 2² = 8149040719 is a prime.

It is a super-2 number, since 2×8149040723² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8149040623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4074520361 + 4074520362.

It is an arithmetic number, because the mean of its divisors is an integer number (4074520362).

Almost surely, 2^8149040723 is an apocalyptic number.

8149040723 is a deficient number, since it is larger than the sum of its proper divisors (1).

8149040723 is an equidigital number, since it uses as much as digits as its factorization.

8149040723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 8149040723 is about 90272.0373260735. The cubic root of 8149040723 is about 2012.3437198089.

The spelling of 8149040723 in words is "eight billion, one hundred forty-nine million, forty thousand, seven hundred twenty-three".