42240133104223 has 2 divisors, whose sum is σ = 42240133104224. Its totient is φ = 42240133104222.

The previous prime is 42240133104209. The next prime is 42240133104287. The reversal of 42240133104223 is 32240133104224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42240133104223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42240133134223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21120066552111 + 21120066552112.

It is an arithmetic number, because the mean of its divisors is an integer number (21120066552112).

Almost surely, 2^{42240133104223} is an apocalyptic number.

42240133104223 is a deficient number, since it is larger than the sum of its proper divisors (1).

42240133104223 is an equidigital number, since it uses as much as digits as its factorization.

42240133104223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 42240133104223 its reverse (32240133104224), we get a palindrome (74480266208447).

Subtracting from 42240133104223 its reverse (32240133104224), we obtain a palindrome (9999999999999).

The spelling of 42240133104223 in words is "forty-two trillion, two hundred forty billion, one hundred thirty-three million, one hundred four thousand, two hundred twenty-three".