23009416 has 16 divisors (see below), whose sum is σ = 43571340. Its totient is φ = 11390400.

The previous prime is 23009411. The next prime is 23009417. The reversal of 23009416 is 61490032.

It can be written as a sum of positive squares in 2 ways, for example, as 21436900 + 1572516 = 4630^2 + 1254^2 .

It is a super-2 number, since 2×23009416² = 1058866449322112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23009411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13431 + ... + 15046.

Almost surely, 2^23009416 is an apocalyptic number.

It is an amenable number.

23009416 is a deficient number, since it is larger than the sum of its proper divisors (20561924).

23009416 is a wasteful number, since it uses less digits than its factorization.

23009416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28584 (or 28580 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 23009416 is about 4796.8131087212. The cubic root of 23009416 is about 284.4255011708.

Adding to 23009416 its reverse (61490032), we get a palindrome (84499448).

The spelling of 23009416 in words is "twenty-three million, nine thousand, four hundred sixteen".