830407123 has 16 divisors (see below), whose sum is σ = 1039368960. Its totient is φ = 645885216.

The previous prime is 830407121. The next prime is 830407129. The reversal of 830407123 is 321704038.

It is a cyclic number.

It is not a de Polignac number, because 830407123 - 2¹ = 830407121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 830407091 and 830407100.

It is not an unprimeable number, because it can be changed into a prime (830407121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71965 + ... + 82702.

It is an arithmetic number, because the mean of its divisors is an integer number (64960560).

Almost surely, 2^830407123 is an apocalyptic number.

830407123 is a deficient number, since it is larger than the sum of its proper divisors (208961837).

830407123 is a wasteful number, since it uses less digits than its factorization.

830407123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154746.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 830407123 is about 28816.7854383517. The cubic root of 830407123 is about 939.9332693688.

The spelling of 830407123 in words is "eight hundred thirty million, four hundred seven thousand, one hundred twenty-three".