2136003623 has 4 divisors (see below), whose sum is σ = 2300311608. Its totient is φ = 1971695640.

The previous prime is 2136003619. The next prime is 2136003643. The reversal of 2136003623 is 3263006312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2136003623 - 2² = 2136003619 is a prime.

It is a super-2 number, since 2×2136003623² = 9125022954938252258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2136003592 and 2136003601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136003643) 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 3 ways as a sum of consecutive naturals, for example, 82153973 + ... + 82153998.

It is an arithmetic number, because the mean of its divisors is an integer number (575077902).

Almost surely, 2^2136003623 is an apocalyptic number.

2136003623 is a deficient number, since it is larger than the sum of its proper divisors (164307985).

2136003623 is a wasteful number, since it uses less digits than its factorization.

2136003623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164307984.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 2136003623 is about 46216.9192287846. The cubic root of 2136003623 is about 1287.8560672641.

Adding to 2136003623 its reverse (3263006312), we get a palindrome (5399009935).

The spelling of 2136003623 in words is "two billion, one hundred thirty-six million, three thousand, six hundred twenty-three".