242100204233 has 4 divisors (see below), whose sum is σ = 242101737108. Its totient is φ = 242098671360.

The previous prime is 242100204223. The next prime is 242100204253. The reversal of 242100204233 is 332402001242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332402001242 = 2 ⋅166201000621.

It can be written as a sum of positive squares in 2 ways, for example, as 124582879369 + 117517324864 = 352963^2 + 342808^2 .

It is a cyclic number.

It is not a de Polignac number, because 242100204233 - 2¹⁸ = 242099942089 is a prime.

It is a super-2 number, since 2×242100204233² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 242100204199 and 242100204208.

It is not an unprimeable number, because it can be changed into a prime (242100204223) 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, 498248 + ... + 855833.

It is an arithmetic number, because the mean of its divisors is an integer number (60525434277).

Almost surely, 2^242100204233 is an apocalyptic number.

It is an amenable number.

242100204233 is a deficient number, since it is larger than the sum of its proper divisors (1532875).

242100204233 is a wasteful number, since it uses less digits than its factorization.

242100204233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532874.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 242100204233 its reverse (332402001242), we get a palindrome (574502205475).

The spelling of 242100204233 in words is "two hundred forty-two billion, one hundred million, two hundred four thousand, two hundred thirty-three".