823143401 has 8 divisors (see below), whose sum is σ = 838627200. Its totient is φ = 807773472.

The previous prime is 823143379. The next prime is 823143407. The reversal of 823143401 is 104341328.

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 823143401 - 2²⁶ = 756034537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (823143407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13805 + ... + 42858.

It is an arithmetic number, because the mean of its divisors is an integer number (104828400).

Almost surely, 2^823143401 is an apocalyptic number.

It is an amenable number.

823143401 is a deficient number, since it is larger than the sum of its proper divisors (15483799).

823143401 is a wasteful number, since it uses less digits than its factorization.

823143401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56935.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 823143401 is about 28690.4757890140. The cubic root of 823143401 is about 937.1846504643.

Adding to 823143401 its reverse (104341328), we get a palindrome (927484729).

The spelling of 823143401 in words is "eight hundred twenty-three million, one hundred forty-three thousand, four hundred one".