5123640193 has 8 divisors (see below), whose sum is σ = 5863330112. Its totient is φ = 4385885616.

The previous prime is 5123640169. The next prime is 5123640209. The reversal of 5123640193 is 3910463215.

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

It is a de Polignac number, because none of the positive numbers 2^k-5123640193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5123640143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478155 + ... + 488752.

It is an arithmetic number, because the mean of its divisors is an integer number (732916264).

Almost surely, 2^5123640193 is an apocalyptic number.

It is an amenable number.

5123640193 is a deficient number, since it is larger than the sum of its proper divisors (739689919).

5123640193 is an equidigital number, since it uses as much as digits as its factorization.

5123640193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967671.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 5123640193 is about 71579.6073822705. The cubic root of 5123640193 is about 1723.9561218271.

The spelling of 5123640193 in words is "five billion, one hundred twenty-three million, six hundred forty thousand, one hundred ninety-three".