23221103423 has 16 divisors (see below), whose sum is σ = 27181355520. Its totient is φ = 19422468576.

The previous prime is 23221103419. The next prime is 23221103429. The reversal of 23221103423 is 32430112232.

It is not a de Polignac number, because 23221103423 - 2² = 23221103419 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 (23221103429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285686 + ... + 357852.

It is an arithmetic number, because the mean of its divisors is an integer number (1698834720).

Almost surely, 2^23221103423 is an apocalyptic number.

23221103423 is a deficient number, since it is larger than the sum of its proper divisors (3960252097).

23221103423 is a wasteful number, since it uses less digits than its factorization.

23221103423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73286.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23221103423 its reverse (32430112232), we get a palindrome (55651215655).

The spelling of 23221103423 in words is "twenty-three billion, two hundred twenty-one million, one hundred three thousand, four hundred twenty-three".