20123233107 has 4 divisors (see below), whose sum is σ = 26830977480. Its totient is φ = 13415488736.

The previous prime is 20123233033. The next prime is 20123233111. The reversal of 20123233107 is 70133232102.

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 20123233107 - 2¹⁰ = 20123232083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20127233107) 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, 3353872182 + ... + 3353872187.

It is an arithmetic number, because the mean of its divisors is an integer number (6707744370).

Almost surely, 2^20123233107 is an apocalyptic number.

20123233107 is a deficient number, since it is larger than the sum of its proper divisors (6707744373).

20123233107 is an equidigital number, since it uses as much as digits as its factorization.

20123233107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6707744372.

The product of its (nonzero) digits is 1512, while the sum is 24.

Adding to 20123233107 its reverse (70133232102), we get a palindrome (90256465209).

The spelling of 20123233107 in words is "twenty billion, one hundred twenty-three million, two hundred thirty-three thousand, one hundred seven".