23066138 has 8 divisors (see below), whose sum is σ = 34712832. Its totient is φ = 11495196.

The previous prime is 23066137. The next prime is 23066167. The reversal of 23066138 is 83166032.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23066138.

It is not an unprimeable number, because it can be changed into a prime (23066137) 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, 18170 + ... + 19397.

It is an arithmetic number, because the mean of its divisors is an integer number (4339104).

Almost surely, 2^23066138 is an apocalyptic number.

23066138 is a deficient number, since it is larger than the sum of its proper divisors (11646694).

23066138 is a wasteful number, since it uses less digits than its factorization.

23066138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37876.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 23066138 is about 4802.7219365689. The cubic root of 23066138 is about 284.6590279499.

The spelling of 23066138 in words is "twenty-three million, sixty-six thousand, one hundred thirty-eight".