30705423 has 8 divisors (see below), whose sum is σ = 46789248. Its totient is φ = 17545944.

The previous prime is 30705421. The next prime is 30705427. The reversal of 30705423 is 32450703.

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

It is not a de Polignac number, because 30705423 - 2¹ = 30705421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30705393 and 30705402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30705421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731061 + ... + 731102.

It is an arithmetic number, because the mean of its divisors is an integer number (5848656).

Almost surely, 2^30705423 is an apocalyptic number.

30705423 is a deficient number, since it is larger than the sum of its proper divisors (16083825).

30705423 is a wasteful number, since it uses less digits than its factorization.

30705423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462173.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 30705423 is about 5541.2474227380. The cubic root of 30705423 is about 313.1398661075.

The spelling of 30705423 in words is "thirty million, seven hundred five thousand, four hundred twenty-three".