2623455 has 16 divisors (see below), whose sum is σ = 4664160. Its totient is φ = 1399104.

The previous prime is 2623451. The next prime is 2623459. The reversal of 2623455 is 5543262.

It is an interprime number because it is at equal distance from previous prime (2623451) and next prime (2623459).

It is not a de Polignac number, because 2623455 - 2² = 2623451 is a prime.

It is a super-2 number, since 2×2623455² = 13765032274050, which contains 22 as substring.

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 2¹⁸ + 6² + 2²¹ + 3⁶ + 4⁹ + 5⁴ + 5⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2623451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9582 + ... + 9851.

It is an arithmetic number, because the mean of its divisors is an integer number (291510).

2^2623455 is an apocalyptic number.

2623455 is a deficient number, since it is larger than the sum of its proper divisors (2040705).

2623455 is a wasteful number, since it uses less digits than its factorization.

2623455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19447 (or 19441 counting only the distinct ones).

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

The square root of 2623455 is about 1619.7083070726. The cubic root of 2623455 is about 137.9191397753.

The spelling of 2623455 in words is "two million, six hundred twenty-three thousand, four hundred fifty-five".