23115646 has 8 divisors (see below), whose sum is σ = 35792064. Its totient is φ = 11184960.

The previous prime is 23115643. The next prime is 23115661. The reversal of 23115646 is 64651132.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23115643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186355 + ... + 186478.

It is an arithmetic number, because the mean of its divisors is an integer number (4474008).

Almost surely, 2^23115646 is an apocalyptic number.

23115646 is a deficient number, since it is larger than the sum of its proper divisors (12676418).

23115646 is a wasteful number, since it uses less digits than its factorization.

23115646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372866.

The product of its digits is 4320, while the sum is 28.

The square root of 23115646 is about 4807.8733344380. The cubic root of 23115646 is about 284.8625416951.

Adding to 23115646 its reverse (64651132), we get a palindrome (87766778).

The spelling of 23115646 in words is "twenty-three million, one hundred fifteen thousand, six hundred forty-six".