30823857695 has 16 divisors (see below), whose sum is σ = 37997768640. Its totient is φ = 23986658304.

The previous prime is 30823857679. The next prime is 30823857709. The reversal of 30823857695 is 59675832803.

It is a cyclic number.

It is not a de Polignac number, because 30823857695 - 2⁴ = 30823857679 is a prime.

It is a super-2 number, since 2×30823857695² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 30823857695.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816446 + ... + 853364.

It is an arithmetic number, because the mean of its divisors is an integer number (2374860540).

Almost surely, 2^30823857695 is an apocalyptic number.

30823857695 is a deficient number, since it is larger than the sum of its proper divisors (7173910945).

30823857695 is a wasteful number, since it uses less digits than its factorization.

30823857695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41474.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 30823857695 in words is "thirty billion, eight hundred twenty-three million, eight hundred fifty-seven thousand, six hundred ninety-five".