536644723 has 4 divisors (see below), whose sum is σ = 540870400. Its totient is φ = 532419048.

The previous prime is 536644679. The next prime is 536644727. The reversal of 536644723 is 327446635.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327446635 = 5 ⋅65489327.

It is a cyclic number.

It is not a de Polignac number, because 536644723 - 2¹⁷ = 536513651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (536644727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2112648 + ... + 2112901.

It is an arithmetic number, because the mean of its divisors is an integer number (135217600).

Almost surely, 2^536644723 is an apocalyptic number.

536644723 is a deficient number, since it is larger than the sum of its proper divisors (4225677).

536644723 is a wasteful number, since it uses less digits than its factorization.

536644723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225676.

The product of its digits is 362880, while the sum is 40.

The square root of 536644723 is about 23165.5935171107. The cubic root of 536644723 is about 812.6351828090.

The spelling of 536644723 in words is "five hundred thirty-six million, six hundred forty-four thousand, seven hundred twenty-three".