8321123001 has 4 divisors (see below), whose sum is σ = 11094830672. Its totient is φ = 5547415332.

The previous prime is 8321122969. The next prime is 8321123023. The reversal of 8321123001 is 1003211238.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8321123001 - 2⁵ = 8321122969 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 (8321123071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1386853831 + ... + 1386853836.

It is an arithmetic number, because the mean of its divisors is an integer number (2773707668).

Almost surely, 2^8321123001 is an apocalyptic number.

It is an amenable number.

8321123001 is a deficient number, since it is larger than the sum of its proper divisors (2773707671).

8321123001 is a wasteful number, since it uses less digits than its factorization.

8321123001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773707670.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 8321123001 is about 91220.1896566763. The cubic root of 8321123001 is about 2026.4099717298.

Adding to 8321123001 its reverse (1003211238), we get a palindrome (9324334239).

The spelling of 8321123001 in words is "eight billion, three hundred twenty-one million, one hundred twenty-three thousand, one".