242200140023 has 4 divisors (see below), whose sum is σ = 244343504208. Its totient is φ = 240056775840.

The previous prime is 242200140019. The next prime is 242200140041. The reversal of 242200140023 is 320041002242.

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 242200140023 - 2² = 242200140019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242200139977 and 242200140004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242200140823) 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, 1071681923 + ... + 1071682148.

It is an arithmetic number, because the mean of its divisors is an integer number (61085876052).

Almost surely, 2^242200140023 is an apocalyptic number.

242200140023 is a deficient number, since it is larger than the sum of its proper divisors (2143364185).

242200140023 is a wasteful number, since it uses less digits than its factorization.

242200140023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143364184.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 242200140023 its reverse (320041002242), we get a palindrome (562241142265).

The spelling of 242200140023 in words is "two hundred forty-two billion, two hundred million, one hundred forty thousand, twenty-three".