20142120210323 has 12 divisors (see below), whose sum is σ = 21258405466848. Its totient is φ = 19081669026960.

The previous prime is 20142120210307. The next prime is 20142120210343. The reversal of 20142120210323 is 32301202124102.

It is not a de Polignac number, because 20142120210323 - 2⁴ = 20142120210307 is a prime.

It is a super-3 number, since 3×20142120210323³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20142120210343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21117965 + ... + 22051137.

It is an arithmetic number, because the mean of its divisors is an integer number (1771533788904).

Almost surely, 2^{20142120210323} is an apocalyptic number.

20142120210323 is a deficient number, since it is larger than the sum of its proper divisors (1116285256525).

20142120210323 is an equidigital number, since it uses as much as digits as its factorization.

20142120210323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993002 (or 992983 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20142120210323 its reverse (32301202124102), we get a palindrome (52443322334425).

The spelling of 20142120210323 in words is "twenty trillion, one hundred forty-two billion, one hundred twenty million, two hundred ten thousand, three hundred twenty-three".