20123023211322 has 16 divisors (see below), whose sum is σ = 40254001819680. Its totient is φ = 6706348504272.

The previous prime is 20123023211287. The next prime is 20123023211327. The reversal of 20123023211322 is 22311232032102.

It is a junction number, because it is equal to n+sod(n) for n = 20123023211292 and 20123023211301.

It is not an unprimeable number, because it can be changed into a prime (20123023211327) 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, 331441993 + ... + 331502700.

It is an arithmetic number, because the mean of its divisors is an integer number (2515875113730).

Almost surely, 2^{20123023211322} is an apocalyptic number.

20123023211322 is an abundant number, since it is smaller than the sum of its proper divisors (20130978608358).

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

20123023211322 is a wasteful number, since it uses less digits than its factorization.

20123023211322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662949757.

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

Adding to 20123023211322 its reverse (22311232032102), we get a palindrome (42434255243424).

The spelling of 20123023211322 in words is "twenty trillion, one hundred twenty-three billion, twenty-three million, two hundred eleven thousand, three hundred twenty-two".