242130023 has 8 divisors (see below), whose sum is σ = 249825600. Its totient is φ = 234550368.

The previous prime is 242130013. The next prime is 242130029. The reversal of 242130023 is 320031242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242130023 - 2²⁰ = 241081447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242129983 and 242130010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242130029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24728 + ... + 33101.

It is an arithmetic number, because the mean of its divisors is an integer number (31228200).

Almost surely, 2^242130023 is an apocalyptic number.

242130023 is a deficient number, since it is larger than the sum of its proper divisors (7695577).

242130023 is an equidigital number, since it uses as much as digits as its factorization.

242130023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57961.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 242130023 is about 15560.5277224135. The cubic root of 242130023 is about 623.2795547479.

Adding to 242130023 its reverse (320031242), we get a palindrome (562161265).

The spelling of 242130023 in words is "two hundred forty-two million, one hundred thirty thousand, twenty-three".