104140123565 has 16 divisors (see below), whose sum is σ = 131594267520. Its totient is φ = 78897942720.

The previous prime is 104140123541. The next prime is 104140123609. The reversal of 104140123565 is 565321041401.

It is not a de Polignac number, because 104140123565 - 2⁸ = 104140123309 is a prime.

It is a super-2 number, since 2×104140123565² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55367 + ... + 459723.

It is an arithmetic number, because the mean of its divisors is an integer number (8224641720).

Almost surely, 2^104140123565 is an apocalyptic number.

It is an amenable number.

104140123565 is a deficient number, since it is larger than the sum of its proper divisors (27454143955).

104140123565 is a wasteful number, since it uses less digits than its factorization.

104140123565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407092.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 104140123565 its reverse (565321041401), we get a palindrome (669461164966).

The spelling of 104140123565 in words is "one hundred four billion, one hundred forty million, one hundred twenty-three thousand, five hundred sixty-five".