20123233103 has 4 divisors (see below), whose sum is σ = 20218604088. Its totient is φ = 20027862120.

The previous prime is 20123233033. The next prime is 20123233111. The reversal of 20123233103 is 30133232102.

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 20123233103 - 2²² = 20119038799 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 (20123233133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47685176 + ... + 47685597.

It is an arithmetic number, because the mean of its divisors is an integer number (5054651022).

Almost surely, 2^20123233103 is an apocalyptic number.

20123233103 is a deficient number, since it is larger than the sum of its proper divisors (95370985).

20123233103 is an equidigital number, since it uses as much as digits as its factorization.

20123233103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95370984.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20123233103 its reverse (30133232102), we get a palindrome (50256465205).

The spelling of 20123233103 in words is "twenty billion, one hundred twenty-three million, two hundred thirty-three thousand, one hundred three".