28240023220103 has 16 divisors (see below), whose sum is σ = 28517468448000. Its totient is φ = 27963669267072.

The previous prime is 28240023220061. The next prime is 28240023220117. The reversal of 28240023220103 is 30102232004282.

It is a cyclic number.

It is not a de Polignac number, because 28240023220103 - 2⁸ = 28240023219847 is a prime.

It is a super-3 number, since 3×28240023220103³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28240023120103) 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, 271176278 + ... + 271280396.

It is an arithmetic number, because the mean of its divisors is an integer number (1782341778000).

Almost surely, 2^{28240023220103} is an apocalyptic number.

28240023220103 is a deficient number, since it is larger than the sum of its proper divisors (277445227897).

28240023220103 is a wasteful number, since it uses less digits than its factorization.

28240023220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109334.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 28240023220103 its reverse (30102232004282), we get a palindrome (58342255224385).

The spelling of 28240023220103 in words is "twenty-eight trillion, two hundred forty billion, twenty-three million, two hundred twenty thousand, one hundred three".