5312720823 has 8 divisors (see below), whose sum is σ = 7083966336. Its totient is φ = 3541644600.

The previous prime is 5312720797. The next prime is 5312720827. The reversal of 5312720823 is 3280272135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5312720823 - 2²² = 5308526519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5312720827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90088 + ... + 136898.

It is an arithmetic number, because the mean of its divisors is an integer number (885495792).

Almost surely, 2^5312720823 is an apocalyptic number.

5312720823 is a deficient number, since it is larger than the sum of its proper divisors (1771245513).

5312720823 is a wasteful number, since it uses less digits than its factorization.

5312720823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84645.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 5312720823 is about 72888.4135031076. The cubic root of 5312720823 is about 1744.9071877249.

Adding to 5312720823 its reverse (3280272135), we get a palindrome (8592992958).

The spelling of 5312720823 in words is "five billion, three hundred twelve million, seven hundred twenty thousand, eight hundred twenty-three".