23404104 has 48 divisors (see below), whose sum is σ = 67118220. Its totient is φ = 7342080.

The previous prime is 23404103. The next prime is 23404123. The reversal of 23404104 is 40140432.

It can be written as a sum of positive squares in 2 ways, for example, as 20520900 + 2883204 = 4530^2 + 1698^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23404103) 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 11 ways as a sum of consecutive naturals, for example, 8337 + ... + 10784.

Almost surely, 2^23404104 is an apocalyptic number.

23404104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23404104 is an abundant number, since it is smaller than the sum of its proper divisors (43714116).

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

23404104 is a wasteful number, since it uses less digits than its factorization.

23404104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19150 (or 19143 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 23404104 is about 4837.7788291736. The cubic root of 23404104 is about 286.0425711321.

Adding to 23404104 its reverse (40140432), we get a palindrome (63544536).

The spelling of 23404104 in words is "twenty-three million, four hundred four thousand, one hundred four".