723064663 has 8 divisors (see below), whose sum is σ = 727602480. Its totient is φ = 718536000.

The previous prime is 723064649. The next prime is 723064681. The reversal of 723064663 is 366460327.

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

It is a cyclic number.

It is not a de Polignac number, because 723064663 - 2⁵ = 723064631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723064633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220788 + ... + 224038.

It is an arithmetic number, because the mean of its divisors is an integer number (90950310).

Almost surely, 2^723064663 is an apocalyptic number.

723064663 is a deficient number, since it is larger than the sum of its proper divisors (4537817).

723064663 is a wasteful number, since it uses less digits than its factorization.

723064663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4577.

The product of its (nonzero) digits is 108864, while the sum is 37.

The square root of 723064663 is about 26889.8617140364. The cubic root of 723064663 is about 897.5508155264.

The spelling of 723064663 in words is "seven hundred twenty-three million, sixty-four thousand, six hundred sixty-three".