242103331123 has 4 divisors (see below), whose sum is σ = 256344703560. Its totient is φ = 227861958688.

The previous prime is 242103331103. The next prime is 242103331139. The reversal of 242103331123 is 321133301242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242103331123 - 2⁵ = 242103331091 is a prime.

It is a super-2 number, since 2×242103331123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242103331103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7120686193 + ... + 7120686226.

It is an arithmetic number, because the mean of its divisors is an integer number (64086175890).

Almost surely, 2^242103331123 is an apocalyptic number.

242103331123 is a deficient number, since it is larger than the sum of its proper divisors (14241372437).

242103331123 is a wasteful number, since it uses less digits than its factorization.

242103331123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14241372436.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 242103331123 its reverse (321133301242), we get a palindrome (563236632365).

The spelling of 242103331123 in words is "two hundred forty-two billion, one hundred three million, three hundred thirty-one thousand, one hundred twenty-three".