23856424 has 16 divisors (see below), whose sum is σ = 45822420. Its totient is φ = 11637120.

The previous prime is 23856409. The next prime is 23856433. The reversal of 23856424 is 42465832.

It can be written as a sum of positive squares in 2 ways, for example, as 23833924 + 22500 = 4882^2 + 150^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23856424.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36039 + ... + 36694.

Almost surely, 2^23856424 is an apocalyptic number.

It is an amenable number.

23856424 is a deficient number, since it is larger than the sum of its proper divisors (21965996).

23856424 is a wasteful number, since it uses less digits than its factorization.

23856424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72780 (or 72776 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 23856424 is about 4884.3038398527. The cubic root of 23856424 is about 287.8735620404.

The spelling of 23856424 in words is "twenty-three million, eight hundred fifty-six thousand, four hundred twenty-four".