23366438 has 8 divisors (see below), whose sum is σ = 35076888. Its totient is φ = 11674144.

The previous prime is 23366437. The next prime is 23366443. The reversal of 23366438 is 83466332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23366398 and 23366407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23366437) 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 3 ways as a sum of consecutive naturals, for example, 656 + ... + 6867.

It is an arithmetic number, because the mean of its divisors is an integer number (4384611).

Almost surely, 2^23366438 is an apocalyptic number.

23366438 is a deficient number, since it is larger than the sum of its proper divisors (11710450).

23366438 is a wasteful number, since it uses less digits than its factorization.

23366438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9078.

The product of its digits is 62208, while the sum is 35.

The square root of 23366438 is about 4833.8843593946. The cubic root of 23366438 is about 285.8890387359.

The spelling of 23366438 in words is "twenty-three million, three hundred sixty-six thousand, four hundred thirty-eight".