923104513 has 4 divisors (see below), whose sum is σ = 924811348. Its totient is φ = 921397680.

The previous prime is 923104451. The next prime is 923104537. The reversal of 923104513 is 315401329.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 315401329 = 251 ⋅1256579.

It can be written as a sum of positive squares in 2 ways, for example, as 192321424 + 730783089 = 13868^2 + 27033^2 .

It is a cyclic number.

It is not a de Polignac number, because 923104513 - 2⁹ = 923104001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (923104313) 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 3 ways as a sum of consecutive naturals, for example, 852606 + ... + 853687.

It is an arithmetic number, because the mean of its divisors is an integer number (231202837).

Almost surely, 2^923104513 is an apocalyptic number.

It is an amenable number.

923104513 is a deficient number, since it is larger than the sum of its proper divisors (1706835).

923104513 is a wasteful number, since it uses less digits than its factorization.

923104513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706834.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 923104513 is about 30382.6350568873. The cubic root of 923104513 is about 973.6815887909.

The spelling of 923104513 in words is "nine hundred twenty-three million, one hundred four thousand, five hundred thirteen".