2263553623 has 16 divisors (see below), whose sum is σ = 2311540000. Its totient is φ = 2216253312.

The previous prime is 2263553603. The next prime is 2263553641. The reversal of 2263553623 is 3263553622.

It is a cyclic number.

It is not a de Polignac number, because 2263553623 - 2²¹ = 2261456471 is a prime.

It is a super-2 number, since 2×2263553623² = 10247350008392852258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2263553603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5972248 + ... + 5972626.

It is an arithmetic number, because the mean of its divisors is an integer number (144471250).

Almost surely, 2^2263553623 is an apocalyptic number.

2263553623 is a deficient number, since it is larger than the sum of its proper divisors (47986377).

2263553623 is a wasteful number, since it uses less digits than its factorization.

2263553623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994.

The product of its digits is 194400, while the sum is 37.

The square root of 2263553623 is about 47576.8181260580. The cubic root of 2263553623 is about 1312.9965826829.

Subtracting 2263553623 from its reverse (3263553622), we obtain a palindrome (999999999).

The spelling of 2263553623 in words is "two billion, two hundred sixty-three million, five hundred fifty-three thousand, six hundred twenty-three".