242123430413 has 4 divisors (see below), whose sum is σ = 242212744608. Its totient is φ = 242034116220.

The previous prime is 242123430407. The next prime is 242123430421. The reversal of 242123430413 is 314034321242.

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 242123430413 - 2¹⁶ = 242123364877 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 (242123430313) 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, 44653031 + ... + 44658452.

It is an arithmetic number, because the mean of its divisors is an integer number (60553186152).

Almost surely, 2^242123430413 is an apocalyptic number.

It is an amenable number.

242123430413 is a deficient number, since it is larger than the sum of its proper divisors (89314195).

242123430413 is an equidigital number, since it uses as much as digits as its factorization.

242123430413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89314194.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 242123430413 its reverse (314034321242), we get a palindrome (556157751655).

The spelling of 242123430413 in words is "two hundred forty-two billion, one hundred twenty-three million, four hundred thirty thousand, four hundred thirteen".