23459904 has 126 divisors (see below), whose sum is σ = 73116186. Its totient is φ = 7188480.

The previous prime is 23459903. The next prime is 23459923. The reversal of 23459904 is 40995432.

It can be written as a sum of positive squares in 3 ways, for example, as 419904 + 23040000 = 648^2 + 4800^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (23459903) 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 17 ways as a sum of consecutive naturals, for example, 97224 + ... + 97464.

Almost surely, 2^23459904 is an apocalyptic number.

23459904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23459904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36558093).

23459904 is an abundant number, since it is smaller than the sum of its proper divisors (49656282).

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

23459904 is a wasteful number, since it uses less digits than its factorization.

23459904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 23459904 is about 4843.5425052331. The cubic root of 23459904 is about 286.2697180089.

It can be divided in two parts, 234 and 59904, that multiplied together give a square (14017536 = 3744²).

The spelling of 23459904 in words is "twenty-three million, four hundred fifty-nine thousand, nine hundred four".