983198723 has 8 divisors (see below), whose sum is σ = 1121113728. Its totient is φ = 854181504.

The previous prime is 983198717. The next prime is 983198729. The reversal of 983198723 is 327891389.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (983198717) and next prime (983198729).

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 983198723 - 2⁶ = 983198659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (983198729) 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, 2224211 + ... + 2224652.

It is an arithmetic number, because the mean of its divisors is an integer number (140139216).

Almost surely, 2^983198723 is an apocalyptic number.

983198723 is a deficient number, since it is larger than the sum of its proper divisors (137915005).

983198723 is a wasteful number, since it uses less digits than its factorization.

983198723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4448893.

The product of its digits is 653184, while the sum is 50.

The square root of 983198723 is about 31355.9997927032. Note that the first 3 decimals coincide. The cubic root of 983198723 is about 994.3679134855.

The spelling of 983198723 in words is "nine hundred eighty-three million, one hundred ninety-eight thousand, seven hundred twenty-three".