23909384 has 8 divisors (see below), whose sum is σ = 44830110. Its totient is φ = 11954688.

The previous prime is 23909383. The next prime is 23909387. The reversal of 23909384 is 48390932.

It can be written as a sum of positive squares in only one way, i.e., 23522500 + 386884 = 4850^2 + 622^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (23909383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1494329 + ... + 1494344.

Almost surely, 2^23909384 is an apocalyptic number.

It is an amenable number.

23909384 is a deficient number, since it is larger than the sum of its proper divisors (20920726).

23909384 is a wasteful number, since it uses less digits than its factorization.

23909384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2988679 (or 2988675 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 23909384 is about 4889.7222825024. The cubic root of 23909384 is about 288.0864259651.

The spelling of 23909384 in words is "twenty-three million, nine hundred nine thousand, three hundred eighty-four".