23140055 has 8 divisors (see below), whose sum is σ = 27875232. Its totient is φ = 18440608.

The previous prime is 23140037. The next prime is 23140067. The reversal of 23140055 is 55004132.

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

It is a cyclic number.

It is not a de Polignac number, because 23140055 - 2⁸ = 23139799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7484 + ... + 10113.

It is an arithmetic number, because the mean of its divisors is an integer number (3484404).

Almost surely, 2^23140055 is an apocalyptic number.

23140055 is a deficient number, since it is larger than the sum of its proper divisors (4735177).

23140055 is a wasteful number, since it uses less digits than its factorization.

23140055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17865.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 23140055 is about 4810.4111050928. The cubic root of 23140055 is about 284.9627734284.

Adding to 23140055 its reverse (55004132), we get a palindrome (78144187).

The spelling of 23140055 in words is "twenty-three million, one hundred forty thousand, fifty-five".