5213765823 has 16 divisors (see below), whose sum is σ = 7945889280. Its totient is φ = 2978881056.

The previous prime is 5213765797. The next prime is 5213765827. The reversal of 5213765823 is 3285673125.

It is a happy number.

It is not a de Polignac number, because 5213765823 - 2³² = 918798527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5213765827) 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, 203073 + ... + 227301.

It is an arithmetic number, because the mean of its divisors is an integer number (496618080).

Almost surely, 2^5213765823 is an apocalyptic number.

5213765823 is a deficient number, since it is larger than the sum of its proper divisors (2732123457).

5213765823 is a wasteful number, since it uses less digits than its factorization.

5213765823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34486.

The product of its digits is 302400, while the sum is 42.

The square root of 5213765823 is about 72206.4112319675. The cubic root of 5213765823 is about 1734.0056449359.

The spelling of 5213765823 in words is "five billion, two hundred thirteen million, seven hundred sixty-five thousand, eight hundred twenty-three".