923967613 has 4 divisors (see below), whose sum is σ = 925366108. Its totient is φ = 922569120.

The previous prime is 923967601. The next prime is 923967623. The reversal of 923967613 is 316769329.

923967613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 316769329 = 2659 ⋅119131.

It can be written as a sum of positive squares in 2 ways, for example, as 808662969 + 115304644 = 28437^2 + 10738^2 .

It is a cyclic number.

It is not a de Polignac number, because 923967613 - 2⁵ = 923967581 is a prime.

It is a super-2 number, since 2×923967613² = 1707432299745835538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923967623) 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, 698256 + ... + 699577.

It is an arithmetic number, because the mean of its divisors is an integer number (231341527).

Almost surely, 2^923967613 is an apocalyptic number.

It is an amenable number.

923967613 is a deficient number, since it is larger than the sum of its proper divisors (1398495).

923967613 is a wasteful number, since it uses less digits than its factorization.

923967613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398494.

The product of its digits is 367416, while the sum is 46.

The square root of 923967613 is about 30396.8355754345. The cubic root of 923967613 is about 973.9849573999.

The spelling of 923967613 in words is "nine hundred twenty-three million, nine hundred sixty-seven thousand, six hundred thirteen".