23905924 has 36 divisors (see below), whose sum is σ = 50791104. Its totient is φ = 9798096.

The previous prime is 23905897. The next prime is 23905949. The reversal of 23905924 is 42950932.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 23905924.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1857 + ... + 7159.

It is an arithmetic number, because the mean of its divisors is an integer number (1410864).

Almost surely, 2^23905924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23905924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25395552).

23905924 is an abundant number, since it is smaller than the sum of its proper divisors (26885180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23905924 is a wasteful number, since it uses less digits than its factorization.

23905924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5344 (or 5335 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 23905924 is about 4889.3684663768. The cubic root of 23905924 is about 288.0725286725.

The spelling of 23905924 in words is "twenty-three million, nine hundred five thousand, nine hundred twenty-four".