723423230 has 16 divisors (see below), whose sum is σ = 1302489504. Its totient is φ = 289296480.

The previous prime is 723423227. The next prime is 723423247. The reversal of 723423230 is 32324327.

It is a self number, because there is not a number n which added to its sum of digits gives 723423230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52439 + ... + 64781.

It is an arithmetic number, because the mean of its divisors is an integer number (81405594).

Almost surely, 2^723423230 is an apocalyptic number.

723423230 is a deficient number, since it is larger than the sum of its proper divisors (579066274).

723423230 is a wasteful number, since it uses less digits than its factorization.

723423230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18211.

The product of its (nonzero) digits is 6048, while the sum is 26.

The square root of 723423230 is about 26896.5282146228. The cubic root of 723423230 is about 897.6991558412.

Adding to 723423230 its reverse (32324327), we get a palindrome (755747557).

The spelling of 723423230 in words is "seven hundred twenty-three million, four hundred twenty-three thousand, two hundred thirty".