20123443140322 has 16 divisors (see below), whose sum is σ = 30292961353920. Its totient is φ = 10025792021232.

The previous prime is 20123443140221. The next prime is 20123443140331. The reversal of 20123443140322 is 22304134432102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14764648 + ... + 16069900.

It is an arithmetic number, because the mean of its divisors is an integer number (1893310084620).

Almost surely, 2^{20123443140322} is an apocalyptic number.

20123443140322 is a deficient number, since it is larger than the sum of its proper divisors (10169518213598).

20123443140322 is a wasteful number, since it uses less digits than its factorization.

20123443140322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332777.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 20123443140322 its reverse (22304134432102), we get a palindrome (42427577572424).

The spelling of 20123443140322 in words is "twenty trillion, one hundred twenty-three billion, four hundred forty-three million, one hundred forty thousand, three hundred twenty-two".