23081655 has 8 divisors (see below), whose sum is σ = 36930672. Its totient is φ = 12310208.

The previous prime is 23081633. The next prime is 23081657. The reversal of 23081655 is 55618032.

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 23081655 - 2¹⁵ = 23048887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23081657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769374 + ... + 769403.

It is an arithmetic number, because the mean of its divisors is an integer number (4616334).

Almost surely, 2^23081655 is an apocalyptic number.

23081655 is a deficient number, since it is larger than the sum of its proper divisors (13849017).

23081655 is a wasteful number, since it uses less digits than its factorization.

23081655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538785.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 23081655 is about 4804.3371030768. The cubic root of 23081655 is about 284.7228453667.

Adding to 23081655 its reverse (55618032), we get a palindrome (78699687).

The spelling of 23081655 in words is "twenty-three million, eighty-one thousand, six hundred fifty-five".