8040734123 has 2 divisors, whose sum is σ = 8040734124. Its totient is φ = 8040734122.

The previous prime is 8040734113. The next prime is 8040734159. The reversal of 8040734123 is 3214370408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8040734123 - 2¹⁴ = 8040717739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8040734123.

It is not a weakly prime, because it can be changed into another prime (8040734113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4020367061 + 4020367062.

It is an arithmetic number, because the mean of its divisors is an integer number (4020367062).

Almost surely, 2^8040734123 is an apocalyptic number.

8040734123 is a deficient number, since it is larger than the sum of its proper divisors (1).

8040734123 is an equidigital number, since it uses as much as digits as its factorization.

8040734123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 8040734123 is about 89670.1406433602. The cubic root of 8040734123 is about 2003.3887651424.

The spelling of 8040734123 in words is "eight billion, forty million, seven hundred thirty-four thousand, one hundred twenty-three".