242221320042123 has 8 divisors (see below), whose sum is σ = 322961842949328. Its totient is φ = 161480838581504.

The previous prime is 242221320042109. The next prime is 242221320042139. The reversal of 242221320042123 is 321240023122242.

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 242221320042123 - 2⁶ = 242221320042059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242221300042123) 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, 7844911 + ... + 23366327.

It is an arithmetic number, because the mean of its divisors is an integer number (40370230368666).

Almost surely, 2^{242221320042123} is an apocalyptic number.

242221320042123 is a deficient number, since it is larger than the sum of its proper divisors (80740522907205).

242221320042123 is a wasteful number, since it uses less digits than its factorization.

242221320042123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20723293.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 242221320042123 its reverse (321240023122242), we get a palindrome (563461343164365).

The spelling of 242221320042123 in words is "two hundred forty-two trillion, two hundred twenty-one billion, three hundred twenty million, forty-two thousand, one hundred twenty-three".