23143421103 has 24 divisors (see below), whose sum is σ = 33928285104. Its totient is φ = 14022138240.

The previous prime is 23143421099. The next prime is 23143421111. The reversal of 23143421103 is 30112434132.

It is a happy number.

It is not a de Polignac number, because 23143421103 - 2² = 23143421099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23143421603) 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 23 ways as a sum of consecutive naturals, for example, 1574275 + ... + 1588907.

It is an arithmetic number, because the mean of its divisors is an integer number (1413678546).

Almost surely, 2^23143421103 is an apocalyptic number.

23143421103 is a deficient number, since it is larger than the sum of its proper divisors (10784864001).

23143421103 is a wasteful number, since it uses less digits than its factorization.

23143421103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19015 (or 19004 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23143421103 its reverse (30112434132), we get a palindrome (53255855235).

The spelling of 23143421103 in words is "twenty-three billion, one hundred forty-three million, four hundred twenty-one thousand, one hundred three".