104423515 has 32 divisors (see below), whose sum is σ = 149579136. Its totient is φ = 68490240.

The previous prime is 104423497. The next prime is 104423533. The reversal of 104423515 is 515324401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (104423497) and next prime (104423533).

It is not a de Polignac number, because 104423515 - 2⁵ = 104423483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104423515.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 75369 + ... + 76741.

It is an arithmetic number, because the mean of its divisors is an integer number (4674348).

Almost surely, 2^104423515 is an apocalyptic number.

104423515 is a deficient number, since it is larger than the sum of its proper divisors (45155621).

104423515 is a wasteful number, since it uses less digits than its factorization.

104423515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 104423515 is about 10218.7824617221. The cubic root of 104423515 is about 470.9044226767.

Adding to 104423515 its reverse (515324401), we get a palindrome (619747916).

The spelling of 104423515 in words is "one hundred four million, four hundred twenty-three thousand, five hundred fifteen".