242403203399 has 24 divisors (see below), whose sum is σ = 294354557280. Its totient is φ = 198662601984.

The previous prime is 242403203381. The next prime is 242403203453. The reversal of 242403203399 is 993302304242.

242403203399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242403203399 - 2²⁰ = 242402154823 is a prime.

It is a super-3 number, since 3×242403203399³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242403203359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2926547 + ... + 3008235.

It is an arithmetic number, because the mean of its divisors is an integer number (12264773220).

Almost surely, 2^242403203399 is an apocalyptic number.

242403203399 is a deficient number, since it is larger than the sum of its proper divisors (51951353881).

242403203399 is a wasteful number, since it uses less digits than its factorization.

242403203399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84359 (or 84352 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 41.

The spelling of 242403203399 in words is "two hundred forty-two billion, four hundred three million, two hundred three thousand, three hundred ninety-nine".