23121332020002 has 32 divisors (see below), whose sum is σ = 47984526627840. Its totient is φ = 7421849119440.

The previous prime is 23121332019979. The next prime is 23121332020049. The reversal of 23121332020002 is 20002023312132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631091302 + ... + 631127937.

It is an arithmetic number, because the mean of its divisors is an integer number (1499516457120).

Almost surely, 2^{23121332020002} is an apocalyptic number.

23121332020002 is an abundant number, since it is smaller than the sum of its proper divisors (24863194607838).

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

23121332020002 is a wasteful number, since it uses less digits than its factorization.

23121332020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262219358.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23121332020002 its reverse (20002023312132), we get a palindrome (43123355332134).

The spelling of 23121332020002 in words is "twenty-three trillion, one hundred twenty-one billion, three hundred thirty-two million, twenty thousand, two".