23404450 has 24 divisors (see below), whose sum is σ = 45036180. Its totient is φ = 9038400.

The previous prime is 23404441. The next prime is 23404453. The reversal of 23404450 is 5440432.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 7667361 + 15737089 = 2769^2 + 3967^2 .

It is not an unprimeable number, because it can be changed into a prime (23404453) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6621 + ... + 9520.

Almost surely, 2^23404450 is an apocalyptic number.

23404450 is a deficient number, since it is larger than the sum of its proper divisors (21631730).

23404450 is a wasteful number, since it uses less digits than its factorization.

23404450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16182 (or 16177 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 23404450 is about 4837.8145892541. The cubic root of 23404450 is about 286.0439807174.

Adding to 23404450 its reverse (5440432), we get a palindrome (28844882).

The spelling of 23404450 in words is "twenty-three million, four hundred four thousand, four hundred fifty".