2355623 has 8 divisors (see below), whose sum is σ = 2416176. Its totient is φ = 2296000.

The previous prime is 2355581. The next prime is 2355629. The reversal of 2355623 is 3265532.

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 2355623 - 2⁶ = 2355559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2355592 and 2355601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2355629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8243 + ... + 8523.

It is an arithmetic number, because the mean of its divisors is an integer number (302022).

2^2355623 is an apocalyptic number.

2355623 is a deficient number, since it is larger than the sum of its proper divisors (60553).

2355623 is a wasteful number, since it uses less digits than its factorization.

2355623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465.

The product of its digits is 5400, while the sum is 26.

The square root of 2355623 is about 1534.8038962682. The cubic root of 2355623 is about 133.0562447020.

Subtracting 2355623 from its reverse (3265532), we obtain a palindrome (909909).

The spelling of 2355623 in words is "two million, three hundred fifty-five thousand, six hundred twenty-three".