23181919103 has 8 divisors (see below), whose sum is σ = 26522711040. Its totient is φ = 19848399480.

The previous prime is 23181919073. The next prime is 23181919147. The reversal of 23181919103 is 30191918132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23181919103 - 2¹⁴ = 23181902719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23181919303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1811243 + ... + 1823996.

It is an arithmetic number, because the mean of its divisors is an integer number (3315338880).

Almost surely, 2^23181919103 is an apocalyptic number.

23181919103 is a deficient number, since it is larger than the sum of its proper divisors (3340791937).

23181919103 is an equidigital number, since it uses as much as digits as its factorization.

23181919103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636157.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 23181919103 in words is "twenty-three billion, one hundred eighty-one million, nine hundred nineteen thousand, one hundred three".