30668823 has 6 divisors (see below), whose sum is σ = 44299424. Its totient is φ = 20445876.

The previous prime is 30668809. The next prime is 30668837. The reversal of 30668823 is 32886603.

It is an interprime number because it is at equal distance from previous prime (30668809) and next prime (30668837).

It is not a de Polignac number, because 30668823 - 2⁵ = 30668791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30668873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1703815 + ... + 1703832.

Almost surely, 2^30668823 is an apocalyptic number.

30668823 is a deficient number, since it is larger than the sum of its proper divisors (13630601).

30668823 is a wasteful number, since it uses less digits than its factorization.

30668823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407653 (or 3407650 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 30668823 is about 5537.9439325439. The cubic root of 30668823 is about 313.0153986715.

The spelling of 30668823 in words is "thirty million, six hundred sixty-eight thousand, eight hundred twenty-three".