723253866 has 16 divisors (see below), whose sum is σ = 1463936544. Its totient is φ = 238179824.

The previous prime is 723253859. The next prime is 723253871. The reversal of 723253866 is 668352327.

It is a happy 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, 725661 + ... + 726656.

It is an arithmetic number, because the mean of its divisors is an integer number (91496034).

Almost surely, 2^723253866 is an apocalyptic number.

723253866 is an abundant number, since it is smaller than the sum of its proper divisors (740682678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

723253866 is a wasteful number, since it uses less digits than its factorization.

723253866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452405.

The product of its digits is 362880, while the sum is 42.

The square root of 723253866 is about 26893.3795942421. The cubic root of 723253866 is about 897.6290955225.

The spelling of 723253866 in words is "seven hundred twenty-three million, two hundred fifty-three thousand, eight hundred sixty-six".