7230723 has 16 divisors (see below), whose sum is σ = 9885216. Its totient is φ = 4700160.

The previous prime is 7230709. The next prime is 7230731. The reversal of 7230723 is 3270327.

It is not a de Polignac number, because 7230723 - 2¹⁶ = 7165187 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

7230723 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7230693 and 7230702.

It is not an unprimeable number, because it can be changed into a prime (7230023) 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 15 ways as a sum of consecutive naturals, for example, 29883 + ... + 30123.

It is an arithmetic number, because the mean of its divisors is an integer number (617826).

Almost surely, 2^7230723 is an apocalyptic number.

7230723 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

7230723 is a deficient number, since it is larger than the sum of its proper divisors (2654493).

7230723 is a wasteful number, since it uses less digits than its factorization.

7230723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454.

The product of its (nonzero) digits is 1764, while the sum is 24.

The square root of 7230723 is about 2689.0003718854. Note that the first 3 decimals coincide. The cubic root of 7230723 is about 193.3721420969.

The spelling of 7230723 in words is "seven million, two hundred thirty thousand, seven hundred twenty-three".