42240211204223 has 4 divisors (see below), whose sum is σ = 42240313690200. Its totient is φ = 42240108718248.

The previous prime is 42240211204211. The next prime is 42240211204237. The reversal of 42240211204223 is 32240211204224.

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 42240211204223 - 2¹⁸ = 42240210942079 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 (42240211204423) 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, 50622248 + ... + 51449901.

It is an arithmetic number, because the mean of its divisors is an integer number (10560078422550).

Almost surely, 2^{42240211204223} is an apocalyptic number.

42240211204223 is a deficient number, since it is larger than the sum of its proper divisors (102485977).

42240211204223 is a wasteful number, since it uses less digits than its factorization.

42240211204223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102485976.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 42240211204223 its reverse (32240211204224), we get a palindrome (74480422408447).

Subtracting from 42240211204223 its reverse (32240211204224), we obtain a palindrome (9999999999999).

The spelling of 42240211204223 in words is "forty-two trillion, two hundred forty billion, two hundred eleven million, two hundred four thousand, two hundred twenty-three".