398040853223 has 8 divisors (see below), whose sum is σ = 432592036800. Its totient is φ = 364051477728.

The previous prime is 398040853207. The next prime is 398040853237. The reversal of 398040853223 is 322358040893.

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 398040853223 - 2⁴ = 398040853207 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 (398040883223) 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, 140450543 + ... + 140453376.

It is an arithmetic number, because the mean of its divisors is an integer number (54074004600).

Almost surely, 2^398040853223 is an apocalyptic number.

398040853223 is a deficient number, since it is larger than the sum of its proper divisors (34551183577).

398040853223 is a wasteful number, since it uses less digits than its factorization.

398040853223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280904041.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 398040853223 in words is "three hundred ninety-eight billion, forty million, eight hundred fifty-three thousand, two hundred twenty-three".