242450123231 has 16 divisors (see below), whose sum is σ = 248038832448. Its totient is φ = 236899852800.

The previous prime is 242450123203. The next prime is 242450123317. The reversal of 242450123231 is 132321054242.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242450123231 is a prime.

It is a super-2 number, since 2×242450123231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242450123194 and 242450123203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242450128231) 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, 55213046 + ... + 55217436.

It is an arithmetic number, because the mean of its divisors is an integer number (15502427028).

Almost surely, 2^242450123231 is an apocalyptic number.

242450123231 is a deficient number, since it is larger than the sum of its proper divisors (5588709217).

242450123231 is a wasteful number, since it uses less digits than its factorization.

242450123231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8482.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 242450123231 its reverse (132321054242), we get a palindrome (374771177473).

The spelling of 242450123231 in words is "two hundred forty-two billion, four hundred fifty million, one hundred twenty-three thousand, two hundred thirty-one".