242330453 has 4 divisors (see below), whose sum is σ = 242722560. Its totient is φ = 241938348.

The previous prime is 242330447. The next prime is 242330477. The reversal of 242330453 is 354033242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242330453 - 2⁸ = 242330197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242330443) 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, 195125 + ... + 196362.

It is an arithmetic number, because the mean of its divisors is an integer number (60680640).

Almost surely, 2^242330453 is an apocalyptic number.

It is an amenable number.

242330453 is a deficient number, since it is larger than the sum of its proper divisors (392107).

242330453 is an equidigital number, since it uses as much as digits as its factorization.

242330453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392106.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 242330453 is about 15566.9667244457. The cubic root of 242330453 is about 623.4514864311.

Adding to 242330453 its reverse (354033242), we get a palindrome (596363695).

The spelling of 242330453 in words is "two hundred forty-two million, three hundred thirty thousand, four hundred fifty-three".