20123132323303 has 4 divisors (see below), whose sum is σ = 20123414440600. Its totient is φ = 20122850206008.

The previous prime is 20123132323267. The next prime is 20123132323331. The reversal of 20123132323303 is 30332323132102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20123132323303 - 2¹⁷ = 20123132192231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123132323363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140951628 + ... + 141094321.

It is an arithmetic number, because the mean of its divisors is an integer number (5030853610150).

Almost surely, 2^{20123132323303} is an apocalyptic number.

20123132323303 is a deficient number, since it is larger than the sum of its proper divisors (282117297).

20123132323303 is an equidigital number, since it uses as much as digits as its factorization.

20123132323303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282117296.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 20123132323303 its reverse (30332323132102), we get a palindrome (50455455455405).

The spelling of 20123132323303 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty-two million, three hundred twenty-three thousand, three hundred three".