9981475223 has 8 divisors (see below), whose sum is σ = 10096164000. Its totient is φ = 9866843008.

The previous prime is 9981475199. The next prime is 9981475247. The reversal of 9981475223 is 3225741899.

It is an interprime number because it is at equal distance from previous prime (9981475199) and next prime (9981475247).

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 9981475223 - 2⁶ = 9981475159 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 (9981475253) 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, 414878 + ... + 438276.

It is an arithmetic number, because the mean of its divisors is an integer number (1262020500).

Almost surely, 2^9981475223 is an apocalyptic number.

9981475223 is a deficient number, since it is larger than the sum of its proper divisors (114688777).

9981475223 is a wasteful number, since it uses less digits than its factorization.

9981475223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28281.

The product of its digits is 1088640, while the sum is 50.

The square root of 9981475223 is about 99907.3331793017. Note that the first 3 decimals coincide. The cubic root of 9981475223 is about 2153.1035202993.

The spelling of 9981475223 in words is "nine billion, nine hundred eighty-one million, four hundred seventy-five thousand, two hundred twenty-three".