730923 has 8 divisors (see below), whose sum is σ = 993168. Its totient is φ = 477984.

The previous prime is 730913. The next prime is 730943. The reversal of 730923 is 329037.

730923 is nontrivially palindromic in base 16.

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

It is not a de Polignac number, because 730923 - 2¹⁶ = 665387 is a prime.

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 730893 and 730902.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 730923.

It is not an unprimeable number, because it can be changed into a prime (730913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2140 + ... + 2457.

It is an arithmetic number, because the mean of its divisors is an integer number (124146).

2⁷³⁰⁹²³ is an apocalyptic number.

730923 is a deficient number, since it is larger than the sum of its proper divisors (262245).

730923 is a wasteful number, since it uses less digits than its factorization.

730923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4653.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 730923 is about 854.9403487963. The cubic root of 730923 is about 90.0790663212.

It can be divided in two parts, 730 and 923, that added together give a triangular number (1653 = T₅₇).

The spelling of 730923 in words is "seven hundred thirty thousand, nine hundred twenty-three".