242303021383 has 4 divisors (see below), whose sum is σ = 245622240928. Its totient is φ = 238983801840.

The previous prime is 242303021377. The next prime is 242303021399. The reversal of 242303021383 is 383120303242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242303021383 - 2⁹ = 242303020871 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 (242303021783) 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, 1659609663 + ... + 1659609808.

It is an arithmetic number, because the mean of its divisors is an integer number (61405560232).

Almost surely, 2^242303021383 is an apocalyptic number.

242303021383 is a deficient number, since it is larger than the sum of its proper divisors (3319219545).

242303021383 is an equidigital number, since it uses as much as digits as its factorization.

242303021383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319219544.

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 242303021383 in words is "two hundred forty-two billion, three hundred three million, twenty-one thousand, three hundred eighty-three".