242402203 has 4 divisors (see below), whose sum is σ = 242562888. Its totient is φ = 242241520.

The previous prime is 242402197. The next prime is 242402219. The reversal of 242402203 is 302204242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302204242 = 2 ⋅151102121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242402203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242402603) 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, 78058 + ... + 81103.

It is an arithmetic number, because the mean of its divisors is an integer number (60640722).

Almost surely, 2^242402203 is an apocalyptic number.

242402203 is a deficient number, since it is larger than the sum of its proper divisors (160685).

242402203 is a wasteful number, since it uses less digits than its factorization.

242402203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160684.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 242402203 is about 15569.2711133181. The cubic root of 242402203 is about 623.5130115503.

Adding to 242402203 its reverse (302204242), we get a palindrome (544606445).

The spelling of 242402203 in words is "two hundred forty-two million, four hundred two thousand, two hundred three".