30825923 has 8 divisors (see below), whose sum is σ = 32981520. Its totient is φ = 28723680.

The previous prime is 30825917. The next prime is 30825953. The reversal of 30825923 is 32952803.

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

It is not a de Polignac number, because 30825923 - 2¹² = 30821827 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 30825923.

It is not an unprimeable number, because it can be changed into a prime (30825953) 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, 12140 + ... + 14457.

It is an arithmetic number, because the mean of its divisors is an integer number (4122690).

Almost surely, 2^30825923 is an apocalyptic number.

30825923 is a deficient number, since it is larger than the sum of its proper divisors (2155597).

30825923 is a wasteful number, since it uses less digits than its factorization.

30825923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26677.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 30825923 is about 5552.1097791740. The cubic root of 30825923 is about 313.5489588932.

The spelling of 30825923 in words is "thirty million, eight hundred twenty-five thousand, nine hundred twenty-three".