4157123863 has 4 divisors (see below), whose sum is σ = 4269478600. Its totient is φ = 4044769128.

The previous prime is 4157123833. The next prime is 4157123881. The reversal of 4157123863 is 3683217514.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3683217514 = 2 ⋅1841608757.

It is a cyclic number.

It is not a de Polignac number, because 4157123863 - 2¹³ = 4157115671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4157123833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56177313 + ... + 56177386.

It is an arithmetic number, because the mean of its divisors is an integer number (1067369650).

Almost surely, 2^4157123863 is an apocalyptic number.

4157123863 is a deficient number, since it is larger than the sum of its proper divisors (112354737).

4157123863 is a wasteful number, since it uses less digits than its factorization.

4157123863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112354736.

The product of its digits is 120960, while the sum is 40.

The square root of 4157123863 is about 64475.7618256659. The cubic root of 4157123863 is about 1607.9195718902.

The spelling of 4157123863 in words is "four billion, one hundred fifty-seven million, one hundred twenty-three thousand, eight hundred sixty-three".