30780323 has 8 divisors (see below), whose sum is σ = 37029120. Its totient is φ = 24994440.

The previous prime is 30780311. The next prime is 30780329. The reversal of 30780323 is 32308703.

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 30780323 - 2⁶ = 30780259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30780292 and 30780301.

It is not an unprimeable number, because it can be changed into a prime (30780329) 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, 115583 + ... + 115848.

It is an arithmetic number, because the mean of its divisors is an integer number (4628640).

Almost surely, 2^30780323 is an apocalyptic number.

30780323 is a deficient number, since it is larger than the sum of its proper divisors (6248797).

30780323 is a wasteful number, since it uses less digits than its factorization.

30780323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231457.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 30780323 is about 5548.0017123285. The cubic root of 30780323 is about 313.3942742741.

The spelling of 30780323 in words is "thirty million, seven hundred eighty thousand, three hundred twenty-three".