2321213004 has 96 divisors (see below), whose sum is σ = 6623527680. Its totient is φ = 697132800.

The previous prime is 2321212951. The next prime is 2321213023. The reversal of 2321213004 is 4003121232.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125599 + ... + 142889.

It is an arithmetic number, because the mean of its divisors is an integer number (68995080).

Almost surely, 2^2321213004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2321213004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3311763840).

2321213004 is an abundant number, since it is smaller than the sum of its proper divisors (4302314676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2321213004 is a wasteful number, since it uses less digits than its factorization.

2321213004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17428 (or 17420 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2321213004 is about 48178.9684821085. The cubic root of 2321213004 is about 1324.0518678548.

Adding to 2321213004 its reverse (4003121232), we get a palindrome (6324334236).

The spelling of 2321213004 in words is "two billion, three hundred twenty-one million, two hundred thirteen thousand, four".