23121320002 has 8 divisors (see below), whose sum is σ = 37834887312. Its totient is φ = 10509690900.

The previous prime is 23121319997. The next prime is 23121320011. The reversal of 23121320002 is 20002312132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 525484524 + ... + 525484567.

It is an arithmetic number, because the mean of its divisors is an integer number (4729360914).

Almost surely, 2^23121320002 is an apocalyptic number.

23121320002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23121320002 is a deficient number, since it is larger than the sum of its proper divisors (14713567310).

23121320002 is a wasteful number, since it uses less digits than its factorization.

23121320002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050969104.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23121320002 its reverse (20002312132), we get a palindrome (43123632134).

The spelling of 23121320002 in words is "twenty-three billion, one hundred twenty-one million, three hundred twenty thousand, two".