723828427 has 8 divisors (see below), whose sum is σ = 870771200. Its totient is φ = 587770344.

The previous prime is 723828419. The next prime is 723828437. The reversal of 723828427 is 724828327.

It is a happy number.

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

It is not a de Polignac number, because 723828427 - 2³ = 723828419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (723828407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2721027 + ... + 2721292.

It is an arithmetic number, because the mean of its divisors is an integer number (108846400).

Almost surely, 2^723828427 is an apocalyptic number.

723828427 is a deficient number, since it is larger than the sum of its proper divisors (146942773).

723828427 is a wasteful number, since it uses less digits than its factorization.

723828427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5442345.

The product of its digits is 301056, while the sum is 43.

The square root of 723828427 is about 26904.0596750751. The cubic root of 723828427 is about 897.8667281550.

The spelling of 723828427 in words is "seven hundred twenty-three million, eight hundred twenty-eight thousand, four hundred twenty-seven".