6323005813 has 8 divisors (see below), whose sum is σ = 6600357560. Its totient is φ = 6051257280.

The previous prime is 6323005811. The next prime is 6323005837. The reversal of 6323005813 is 3185003236.

It can be written as a sum of positive squares in 4 ways, for example, as 157929489 + 6165076324 = 12567^2 + 78518^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6323005813 - 2¹ = 6323005811 is a prime.

It is a super-2 number, since 2×6323005813² = 79960805022463581938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6323005811) 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, 1398498 + ... + 1403011.

It is an arithmetic number, because the mean of its divisors is an integer number (825044695).

Almost surely, 2^6323005813 is an apocalyptic number.

It is an amenable number.

6323005813 is a deficient number, since it is larger than the sum of its proper divisors (277351747).

6323005813 is a wasteful number, since it uses less digits than its factorization.

6323005813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801607.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 6323005813 is about 79517.3302683132. The cubic root of 6323005813 is about 1849.1601557306.

The spelling of 6323005813 in words is "six billion, three hundred twenty-three million, five thousand, eight hundred thirteen".