20123223012132 has 24 divisors (see below), whose sum is σ = 46974244414272. Its totient is φ = 6704875663200.

The previous prime is 20123223012131. The next prime is 20123223012227. The reversal of 20123223012132 is 23121032232102.

It is not an unprimeable number, because it can be changed into a prime (20123223012131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358138344 + ... + 358194527.

It is an arithmetic number, because the mean of its divisors is an integer number (1957260183928).

Almost surely, 2^{20123223012132} is an apocalyptic number.

It is an amenable number.

20123223012132 is an abundant number, since it is smaller than the sum of its proper divisors (26851021402140).

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

20123223012132 is a wasteful number, since it uses less digits than its factorization.

20123223012132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716335219 (or 716335217 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20123223012132 its reverse (23121032232102), we get a palindrome (43244255244234).

The spelling of 20123223012132 in words is "twenty trillion, one hundred twenty-three billion, two hundred twenty-three million, twelve thousand, one hundred thirty-two".