5236640023 has 4 divisors (see below), whose sum is σ = 5464320048. Its totient is φ = 5008960000.

The previous prime is 5236640009. The next prime is 5236640029. The reversal of 5236640023 is 3200466325.

It is a happy number.

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 5236640023 - 2⁹ = 5236639511 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5236640029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113839978 + ... + 113840023.

It is an arithmetic number, because the mean of its divisors is an integer number (1366080012).

Almost surely, 2^5236640023 is an apocalyptic number.

5236640023 is a deficient number, since it is larger than the sum of its proper divisors (227680025).

5236640023 is a wasteful number, since it uses less digits than its factorization.

5236640023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227680024.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 5236640023 is about 72364.6324042346. The cubic root of 5236640023 is about 1736.5377959559.

The spelling of 5236640023 in words is "five billion, two hundred thirty-six million, six hundred forty thousand, twenty-three".