22120347823 has 8 divisors (see below), whose sum is σ = 25309698048. Its totient is φ = 18938322744.

The previous prime is 22120347797. The next prime is 22120347869. The reversal of 22120347823 is 32874302122.

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

It is a cyclic number.

It is not a de Polignac number, because 22120347823 - 2⁹ = 22120347311 is a prime.

It is a super-3 number, since 3×22120347823³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120047823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1824811 + ... + 1836892.

It is an arithmetic number, because the mean of its divisors is an integer number (3163712256).

Almost surely, 2^22120347823 is an apocalyptic number.

22120347823 is a deficient number, since it is larger than the sum of its proper divisors (3189350225).

22120347823 is an equidigital number, since it uses as much as digits as its factorization.

22120347823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3662573.

The product of its (nonzero) digits is 32256, while the sum is 34.

Adding to 22120347823 its reverse (32874302122), we get a palindrome (54994649945).

The spelling of 22120347823 in words is "twenty-two billion, one hundred twenty million, three hundred forty-seven thousand, eight hundred twenty-three".