723398798 has 8 divisors (see below), whose sum is σ = 1086746760. Its totient is φ = 361149880.

The previous prime is 723398789. The next prime is 723398861. The reversal of 723398798 is 897893327.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273113 + ... + 275748.

It is an arithmetic number, because the mean of its divisors is an integer number (135843345).

Almost surely, 2^723398798 is an apocalyptic number.

723398798 is a deficient number, since it is larger than the sum of its proper divisors (363347962).

723398798 is a wasteful number, since it uses less digits than its factorization.

723398798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549522.

The product of its digits is 4572288, while the sum is 56.

The square root of 723398798 is about 26896.0740257756. The cubic root of 723398798 is about 897.6890498010.

The spelling of 723398798 in words is "seven hundred twenty-three million, three hundred ninety-eight thousand, seven hundred ninety-eight".