23066638 has 8 divisors (see below), whose sum is σ = 39542832. Its totient is φ = 9885696.

The previous prime is 23066623. The next prime is 23066653. The reversal of 23066638 is 83666032.

It is an interprime number because it is at equal distance from previous prime (23066623) and next prime (23066653).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823795 + ... + 823822.

It is an arithmetic number, because the mean of its divisors is an integer number (4942854).

Almost surely, 2^23066638 is an apocalyptic number.

23066638 is a deficient number, since it is larger than the sum of its proper divisors (16476194).

23066638 is a wasteful number, since it uses less digits than its factorization.

23066638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647626.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 23066638 is about 4802.7739901020. The cubic root of 23066638 is about 284.6610847670.

The spelling of 23066638 in words is "twenty-three million, sixty-six thousand, six hundred thirty-eight".