723872426 has 8 divisors (see below), whose sum is σ = 1086220800. Its totient is φ = 361798828.

The previous prime is 723872423. The next prime is 723872437. The reversal of 723872426 is 624278327.

723872426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (723872423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61976 + ... + 72723.

It is an arithmetic number, because the mean of its divisors is an integer number (135777600).

Almost surely, 2^723872426 is an apocalyptic number.

723872426 is a deficient number, since it is larger than the sum of its proper divisors (362348374).

723872426 is a wasteful number, since it uses less digits than its factorization.

723872426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137388.

The product of its digits is 225792, while the sum is 41.

The square root of 723872426 is about 26904.8773645226. The cubic root of 723872426 is about 897.8849205130.

The spelling of 723872426 in words is "seven hundred twenty-three million, eight hundred seventy-two thousand, four hundred twenty-six".