23404330 has 16 divisors (see below), whose sum is σ = 42602760. Its totient is φ = 9256192.

The previous prime is 23404327. The next prime is 23404351. The reversal of 23404330 is 3340432.

It can be written as a sum of positive squares in 4 ways, for example, as 15000129 + 8404201 = 3873^2 + 2899^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23404298 and 23404307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12259 + ... + 14038.

Almost surely, 2^23404330 is an apocalyptic number.

23404330 is a deficient number, since it is larger than the sum of its proper divisors (19198430).

23404330 is a wasteful number, since it uses less digits than its factorization.

23404330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26393.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 23404330 is about 4837.8021869440. The cubic root of 23404330 is about 286.0434918455.

Adding to 23404330 its reverse (3340432), we get a palindrome (26744762).

It can be divided in two parts, 2340 and 4330, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 23404330 in words is "twenty-three million, four hundred four thousand, three hundred thirty".