23705055 has 80 divisors (see below), whose sum is σ = 49240224. Its totient is φ = 10782720.

The previous prime is 23705053. The next prime is 23705057. The reversal of 23705055 is 55050732.

23705055 is a nontrivial binomial coefficient, being equal to C(6886, 2).

It is an interprime number because it is at equal distance from previous prime (23705053) and next prime (23705057).

It is not a de Polignac number, because 23705055 - 2¹ = 23705053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23705053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 75579 + ... + 75891.

Almost surely, 2^23705055 is an apocalyptic number.

23705055 is the 6885-th triangular number and also the 3443-rd hexagonal number.

23705055 is an abundant number, since it is smaller than the sum of its proper divisors (25535169).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23705055 is a wasteful number, since it uses less digits than its factorization.

23705055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 23705055 is about 4868.7837290231. The cubic root of 23705055 is about 287.2634172165.

Adding to 23705055 its reverse (55050732), we get a palindrome (78755787).

It can be divided in two parts, 23 and 705055, that added together give a triangular number (705078 = T₁₁₈₇).

The spelling of 23705055 in words is "twenty-three million, seven hundred five thousand, fifty-five".