221300240123 has 8 divisors (see below), whose sum is σ = 221996511456. Its totient is φ = 220604688000.

The previous prime is 221300240089. The next prime is 221300240131. The reversal of 221300240123 is 321042003122.

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 221300240123 - 2¹⁰ = 221300239099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221300240095 and 221300240104.

It is not an unprimeable number, because it can be changed into a prime (221300240173) 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, 439913 + ... + 797573.

It is an arithmetic number, because the mean of its divisors is an integer number (27749563932).

Almost surely, 2^221300240123 is an apocalyptic number.

221300240123 is a deficient number, since it is larger than the sum of its proper divisors (696271333).

221300240123 is a wasteful number, since it uses less digits than its factorization.

221300240123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359605.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 221300240123 its reverse (321042003122), we get a palindrome (542342243245).

The spelling of 221300240123 in words is "two hundred twenty-one billion, three hundred million, two hundred forty thousand, one hundred twenty-three".