5178390923 has 8 divisors (see below), whose sum is σ = 5195335680. Its totient is φ = 5161472680.

The previous prime is 5178390839. The next prime is 5178390947. The reversal of 5178390923 is 3290938715.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5178390923 - 2¹⁶ = 5178325387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5178390983) 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 7 ways as a sum of consecutive naturals, for example, 430436 + ... + 442302.

It is an arithmetic number, because the mean of its divisors is an integer number (649416960).

Almost surely, 2^5178390923 is an apocalyptic number.

5178390923 is a deficient number, since it is larger than the sum of its proper divisors (16944757).

5178390923 is a wasteful number, since it uses less digits than its factorization.

5178390923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13257.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 5178390923 is about 71961.0375342101. The cubic root of 5178390923 is about 1730.0750547143.

The spelling of 5178390923 in words is "five billion, one hundred seventy-eight million, three hundred ninety thousand, nine hundred twenty-three".