2423655 has 32 divisors (see below), whose sum is σ = 4643520. Its totient is φ = 1192320.

The previous prime is 2423651. The next prime is 2423669. The reversal of 2423655 is 5563242.

2423655 is a `hidden beast` number, since 2 + 4 + 2 + 3 + 655 = 666.

It is not a de Polignac number, because 2423655 - 2² = 2423651 is a prime.

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁴ + 4² + 2¹⁶ + 3⁸ + 6⁵ + 5⁸ + 5⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1065 + ... + 2445.

It is an arithmetic number, because the mean of its divisors is an integer number (145110).

2^2423655 is an apocalyptic number.

2423655 is a deficient number, since it is larger than the sum of its proper divisors (2219865).

2423655 is a wasteful number, since it uses less digits than its factorization.

2423655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408 (or 1402 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 2423655 is about 1556.8092368688. The cubic root of 2423655 is about 134.3250259455.

Adding to 2423655 its reverse (5563242), we get a palindrome (7986897).

The spelling of 2423655 in words is "two million, four hundred twenty-three thousand, six hundred fifty-five".