723398797 has 8 divisors (see below), whose sum is σ = 789413472. Its totient is φ = 657426000.

The previous prime is 723398789. The next prime is 723398861. The reversal of 723398797 is 797893327.

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

It is not a de Polignac number, because 723398797 - 2³ = 723398789 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 (723398777) 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, 33823 + ... + 50899.

It is an arithmetic number, because the mean of its divisors is an integer number (98676684).

Almost surely, 2^723398797 is an apocalyptic number.

It is an amenable number.

723398797 is a deficient number, since it is larger than the sum of its proper divisors (66014675).

723398797 is a wasteful number, since it uses less digits than its factorization.

723398797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20939.

The product of its digits is 4000752, while the sum is 55.

The square root of 723398797 is about 26896.0740071855. The cubic root of 723398797 is about 897.6890493873.

It can be divided in two parts, 7233 and 98797, that added together give a triangular number (106030 = T₄₆₀).

The spelling of 723398797 in words is "seven hundred twenty-three million, three hundred ninety-eight thousand, seven hundred ninety-seven".