104130140523 has 4 divisors (see below), whose sum is σ = 138840187368. Its totient is φ = 69420093680.

The previous prime is 104130140519. The next prime is 104130140537. The reversal of 104130140523 is 325041031401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104130140523 - 2² = 104130140519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104130140493 and 104130140502.

It is not an unprimeable number, because it can be changed into a prime (104130140573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17355023418 + ... + 17355023423.

It is an arithmetic number, because the mean of its divisors is an integer number (34710046842).

Almost surely, 2^104130140523 is an apocalyptic number.

104130140523 is a deficient number, since it is larger than the sum of its proper divisors (34710046845).

104130140523 is an equidigital number, since it uses as much as digits as its factorization.

104130140523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34710046844.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 104130140523 its reverse (325041031401), we get a palindrome (429171171924).

The spelling of 104130140523 in words is "one hundred four billion, one hundred thirty million, one hundred forty thousand, five hundred twenty-three".