20123232141 has 4 divisors (see below), whose sum is σ = 26830976192. Its totient is φ = 13415488092.

The previous prime is 20123232137. The next prime is 20123232167. The reversal of 20123232141 is 14123232102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20123232141 - 2² = 20123232137 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 (20123232191) 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, 3353872021 + ... + 3353872026.

It is an arithmetic number, because the mean of its divisors is an integer number (6707744048).

Almost surely, 2^20123232141 is an apocalyptic number.

It is an amenable number.

20123232141 is a deficient number, since it is larger than the sum of its proper divisors (6707744051).

20123232141 is an equidigital number, since it uses as much as digits as its factorization.

20123232141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6707744050.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20123232141 its reverse (14123232102), we get a palindrome (34246464243).

The spelling of 20123232141 in words is "twenty billion, one hundred twenty-three million, two hundred thirty-two thousand, one hundred forty-one".