1242442243223 has 8 divisors (see below), whose sum is σ = 1251960209280. Its totient is φ = 1232924787640.

The previous prime is 1242442243183. The next prime is 1242442243267. The reversal of 1242442243223 is 3223422442421.

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 1242442243223 - 2¹⁰ = 1242442242199 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 (1242442243123) 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, 5813486 + ... + 6023412.

It is an arithmetic number, because the mean of its divisors is an integer number (156495026160).

Almost surely, 2^{1242442243223} is an apocalyptic number.

1242442243223 is a deficient number, since it is larger than the sum of its proper divisors (9517966057).

1242442243223 is a wasteful number, since it uses less digits than its factorization.

1242442243223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255237.

The product of its digits is 147456, while the sum is 35.

Adding to 1242442243223 its reverse (3223422442421), we get a palindrome (4465864685644).

The spelling of 1242442243223 in words is "one trillion, two hundred forty-two billion, four hundred forty-two million, two hundred forty-three thousand, two hundred twenty-three".