32823391813 has 8 divisors (see below), whose sum is σ = 33959691000. Its totient is φ = 31687389888.

The previous prime is 32823391807. The next prime is 32823391819. The reversal of 32823391813 is 31819332823.

It is an interprime number because it is at equal distance from previous prime (32823391807) and next prime (32823391819).

It can be written as a sum of positive squares in 4 ways, for example, as 3288219649 + 29535172164 = 57343^2 + 171858^2 .

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 32823391813 - 2⁵ = 32823391781 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32823391813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32823391819) 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, 163263 + ... + 303811.

It is an arithmetic number, because the mean of its divisors is an integer number (4244961375).

Almost surely, 2^32823391813 is an apocalyptic number.

It is an amenable number.

32823391813 is a deficient number, since it is larger than the sum of its proper divisors (1136299187).

32823391813 is a wasteful number, since it uses less digits than its factorization.

32823391813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148631.

The product of its digits is 186624, while the sum is 43.

The spelling of 32823391813 in words is "thirty-two billion, eight hundred twenty-three million, three hundred ninety-one thousand, eight hundred thirteen".