4023678917 has 2 divisors, whose sum is σ = 4023678918. Its totient is φ = 4023678916.

The previous prime is 4023678907. The next prime is 4023678931. The reversal of 4023678917 is 7198763204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4018799236 + 4879681 = 63394^2 + 2209^2 .

It is a cyclic number.

It is not a de Polignac number, because 4023678917 - 2⁶ = 4023678853 is a prime.

It is a super-3 number, since 3×4023678917³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4023678907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011839458 + 2011839459.

It is an arithmetic number, because the mean of its divisors is an integer number (2011839459).

Almost surely, 2^4023678917 is an apocalyptic number.

It is an amenable number.

4023678917 is a deficient number, since it is larger than the sum of its proper divisors (1).

4023678917 is an equidigital number, since it uses as much as digits as its factorization.

4023678917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 4023678917 is about 63432.4752551877. The cubic root of 4023678917 is about 1590.5272195169.

The spelling of 4023678917 in words is "four billion, twenty-three million, six hundred seventy-eight thousand, nine hundred seventeen".