23090655 has 16 divisors (see below), whose sum is σ = 42223104. Its totient is φ = 10555680.

The previous prime is 23090647. The next prime is 23090663. The reversal of 23090655 is 55609032.

It is an interprime number because it is at equal distance from previous prime (23090647) and next prime (23090663).

It is not a de Polignac number, because 23090655 - 2³ = 23090647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109851 + ... + 110060.

It is an arithmetic number, because the mean of its divisors is an integer number (2638944).

Almost surely, 2^23090655 is an apocalyptic number.

23090655 is a deficient number, since it is larger than the sum of its proper divisors (19132449).

23090655 is a wasteful number, since it uses less digits than its factorization.

23090655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219926.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 23090655 is about 4805.2736654638. The cubic root of 23090655 is about 284.7598469396.

Adding to 23090655 its reverse (55609032), we get a palindrome (78699687).

The spelling of 23090655 in words is "twenty-three million, ninety thousand, six hundred fifty-five".