242320100143 has 4 divisors (see below), whose sum is σ = 264349200168. Its totient is φ = 220291000120.

The previous prime is 242320100137. The next prime is 242320100149. The reversal of 242320100143 is 341001023242.

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

It is an interprime number because it is at equal distance from previous prime (242320100137) and next prime (242320100149).

It is a cyclic number.

It is not a de Polignac number, because 242320100143 - 2⁵ = 242320100111 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242320100149) 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, 11014549996 + ... + 11014550017.

It is an arithmetic number, because the mean of its divisors is an integer number (66087300042).

Almost surely, 2^242320100143 is an apocalyptic number.

242320100143 is a deficient number, since it is larger than the sum of its proper divisors (22029100025).

242320100143 is a wasteful number, since it uses less digits than its factorization.

242320100143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22029100024.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 242320100143 its reverse (341001023242), we get a palindrome (583321123385).

The spelling of 242320100143 in words is "two hundred forty-two billion, three hundred twenty million, one hundred thousand, one hundred forty-three".