42213031223 has 4 divisors (see below), whose sum is σ = 46050579528. Its totient is φ = 38375482920.

The previous prime is 42213031151. The next prime is 42213031229. The reversal of 42213031223 is 32213031224.

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 42213031223 - 2²⁶ = 42145922359 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 (42213031229) 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, 1918774136 + ... + 1918774157.

It is an arithmetic number, because the mean of its divisors is an integer number (11512644882).

Almost surely, 2^42213031223 is an apocalyptic number.

42213031223 is a deficient number, since it is larger than the sum of its proper divisors (3837548305).

42213031223 is a wasteful number, since it uses less digits than its factorization.

42213031223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837548304.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 42213031223 its reverse (32213031224), we get a palindrome (74426062447).

Subtracting from 42213031223 its reverse (32213031224), we obtain a palindrome (9999999999).

The spelling of 42213031223 in words is "forty-two billion, two hundred thirteen million, thirty-one thousand, two hundred twenty-three".