242400203 has 8 divisors (see below), whose sum is σ = 247128000. Its totient is φ = 237714048.

The previous prime is 242400199. The next prime is 242400239. The reversal of 242400203 is 302004242.

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 242400203 - 2² = 242400199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242405203) 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, 1475 + ... + 22067.

It is an arithmetic number, because the mean of its divisors is an integer number (30891000).

Almost surely, 2^242400203 is an apocalyptic number.

242400203 is a deficient number, since it is larger than the sum of its proper divisors (4727797).

242400203 is a wasteful number, since it uses less digits than its factorization.

242400203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20821.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 242400203 is about 15569.2068841030. The cubic root of 242400203 is about 623.5112967289.

Adding to 242400203 its reverse (302004242), we get a palindrome (544404445).

The spelling of 242400203 in words is "two hundred forty-two million, four hundred thousand, two hundred three".