242343111015 has 24 divisors (see below), whose sum is σ = 422843267808. Its totient is φ = 128393697600.

The previous prime is 242343110983. The next prime is 242343111019. The reversal of 242343111015 is 510111343242.

242343111015 is a `hidden beast` number, since 242 + 3 + 4 + 311 + 101 + 5 = 666.

It is not a de Polignac number, because 242343111015 - 2⁵ = 242343110983 is a prime.

It is a super-2 number, since 2×242343111015² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242343111015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242343111019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17825664 + ... + 17839253.

It is an arithmetic number, because the mean of its divisors is an integer number (17618469492).

Almost surely, 2^242343111015 is an apocalyptic number.

242343111015 is a deficient number, since it is larger than the sum of its proper divisors (180500156793).

242343111015 is a wasteful number, since it uses less digits than its factorization.

242343111015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35665079 (or 35665076 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 242343111015 its reverse (510111343242), we get a palindrome (752454454257).

The spelling of 242343111015 in words is "two hundred forty-two billion, three hundred forty-three million, one hundred eleven thousand, fifteen".