4123640347 has 2 divisors, whose sum is σ = 4123640348. Its totient is φ = 4123640346.

The previous prime is 4123640333. The next prime is 4123640351. The reversal of 4123640347 is 7430463214.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4123640347 - 2⁷ = 4123640219 is a prime.

It is a super-2 number, since 2×4123640347² = 34008819422812560818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4123640317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061820173 + 2061820174.

It is an arithmetic number, because the mean of its divisors is an integer number (2061820174).

Almost surely, 2^4123640347 is an apocalyptic number.

4123640347 is a deficient number, since it is larger than the sum of its proper divisors (1).

4123640347 is an equidigital number, since it uses as much as digits as its factorization.

4123640347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 4123640347 is about 64215.5771367041. The cubic root of 4123640347 is about 1603.5909382131.

The spelling of 4123640347 in words is "four billion, one hundred twenty-three million, six hundred forty thousand, three hundred forty-seven".