20132012031223 has 4 divisors (see below), whose sum is σ = 20189696879800. Its totient is φ = 20074327182648.

The previous prime is 20132012031199. The next prime is 20132012031227. The reversal of 20132012031223 is 32213021023102.

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 20132012031223 - 2³⁷ = 19994573077751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20132012031194 and 20132012031203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132012031227) 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, 28842423765 + ... + 28842424462.

It is an arithmetic number, because the mean of its divisors is an integer number (5047424219950).

Almost surely, 2^{20132012031223} is an apocalyptic number.

20132012031223 is a deficient number, since it is larger than the sum of its proper divisors (57684848577).

20132012031223 is an equidigital number, since it uses as much as digits as its factorization.

20132012031223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57684848576.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20132012031223 its reverse (32213021023102), we get a palindrome (52345033054325).

The spelling of 20132012031223 in words is "twenty trillion, one hundred thirty-two billion, twelve million, thirty-one thousand, two hundred twenty-three".