2455623 has 16 divisors (see below), whose sum is σ = 3677440. Its totient is φ = 1619352.

The previous prime is 2455619. The next prime is 2455643. The reversal of 2455623 is 3265542.

2455623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2455623 - 2² = 2455619 is a prime.

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

It is a d-powerful number, because it can be written as 2 + 4⁴ + 5³ + 5⁷ + 6⁷ + 2²¹ + 3³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2455643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2340 + ... + 3222.

It is an arithmetic number, because the mean of its divisors is an integer number (229840).

2^2455623 is an apocalyptic number.

2455623 is a deficient number, since it is larger than the sum of its proper divisors (1221817).

2455623 is a wasteful number, since it uses less digits than its factorization.

2455623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995 (or 989 counting only the distinct ones).

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

The square root of 2455623 is about 1567.0427562769. The cubic root of 2455623 is about 134.9130304043.

It can be divided in two parts, 2 and 455623, that added together give a square (455625 = 675²).

The spelling of 2455623 in words is "two million, four hundred fifty-five thousand, six hundred twenty-three".