823231001 has 16 divisors (see below), whose sum is σ = 904204224. Its totient is φ = 746371584.

The previous prime is 823230983. The next prime is 823231007. The reversal of 823231001 is 100132328.

It is a cyclic number.

It is not a de Polignac number, because 823231001 - 2¹⁴ = 823214617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (823231007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45650 + ... + 61076.

It is an arithmetic number, because the mean of its divisors is an integer number (56512764).

Almost surely, 2^823231001 is an apocalyptic number.

It is an amenable number.

823231001 is a deficient number, since it is larger than the sum of its proper divisors (80973223).

823231001 is a wasteful number, since it uses less digits than its factorization.

823231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15560.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 823231001 is about 28692.0023874250. The cubic root of 823231001 is about 937.2178947581.

Adding to 823231001 its reverse (100132328), we get a palindrome (923363329).

The spelling of 823231001 in words is "eight hundred twenty-three million, two hundred thirty-one thousand, one".