23655555 has 48 divisors (see below), whose sum is σ = 51128064. Its totient is φ = 9829440.

The previous prime is 23655553. The next prime is 23655557. The reversal of 23655555 is 55555632.

It is an interprime number because it is at equal distance from previous prime (23655553) and next prime (23655557).

It is not a de Polignac number, because 23655555 - 2¹ = 23655553 is a prime.

23655555 is a modest number, since divided by 5555 gives 2365 as remainder.

It is not an unprimeable number, because it can be changed into a prime (23655553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52 + ... + 6878.

It is an arithmetic number, because the mean of its divisors is an integer number (1065168).

Almost surely, 2^23655555 is an apocalyptic number.

23655555 is an abundant number, since it is smaller than the sum of its proper divisors (27472509).

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

23655555 is a wasteful number, since it uses less digits than its factorization.

23655555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856 (or 6853 counting only the distinct ones).

The product of its digits is 112500, while the sum is 36.

The square root of 23655555 is about 4863.6976674131. The cubic root of 23655555 is about 287.0633270076.

The spelling of 23655555 in words is "twenty-three million, six hundred fifty-five thousand, five hundred fifty-five".