830423745 has 80 divisors (see below), whose sum is σ = 1543162368. Its totient is φ = 426902400.

The previous prime is 830423731. The next prime is 830423749. The reversal of 830423745 is 547324038.

It is a happy number.

830423745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 830423745 - 2⁶ = 830423681 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (830423749) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2262552 + ... + 2262918.

Almost surely, 2^830423745 is an apocalyptic number.

It is an amenable number.

830423745 is a deficient number, since it is larger than the sum of its proper divisors (712738623).

830423745 is a wasteful number, since it uses less digits than its factorization.

830423745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 830423745 is about 28817.0738452050. The cubic root of 830423745 is about 939.9395407772.

The spelling of 830423745 in words is "eight hundred thirty million, four hundred twenty-three thousand, seven hundred forty-five".