199154223343 has 8 divisors (see below), whose sum is σ = 199972468800. Its totient is φ = 198336591360.

The previous prime is 199154223311. The next prime is 199154223353. The reversal of 199154223343 is 343322451991.

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 199154223343 - 2⁵ = 199154223311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199154223293 and 199154223302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199154223353) 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, 502983 + ... + 807031.

It is an arithmetic number, because the mean of its divisors is an integer number (24996558600).

Almost surely, 2^199154223343 is an apocalyptic number.

199154223343 is a deficient number, since it is larger than the sum of its proper divisors (818245457).

199154223343 is a wasteful number, since it uses less digits than its factorization.

199154223343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306737.

The product of its digits is 699840, while the sum is 46.

The spelling of 199154223343 in words is "one hundred ninety-nine billion, one hundred fifty-four million, two hundred twenty-three thousand, three hundred forty-three".