23013121103 has 4 divisors (see below), whose sum is σ = 26300709840. Its totient is φ = 19725532368.

The previous prime is 23013121057. The next prime is 23013121121. The reversal of 23013121103 is 30112131032.

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 23013121103 - 2¹⁰ = 23013120079 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 (23013123103) 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, 1643794358 + ... + 1643794371.

It is an arithmetic number, because the mean of its divisors is an integer number (6575177460).

Almost surely, 2^23013121103 is an apocalyptic number.

23013121103 is a deficient number, since it is larger than the sum of its proper divisors (3287588737).

23013121103 is an equidigital number, since it uses as much as digits as its factorization.

23013121103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287588736.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23013121103 its reverse (30112131032), we get a palindrome (53125252135).

The spelling of 23013121103 in words is "twenty-three billion, thirteen million, one hundred twenty-one thousand, one hundred three".