223042240291 has 4 divisors (see below), whose sum is σ = 240199335712. Its totient is φ = 205885144872.

The previous prime is 223042240271. The next prime is 223042240297. The reversal of 223042240291 is 192042240322.

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 223042240291 - 2¹⁵ = 223042207523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223042240297) 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, 8578547691 + ... + 8578547716.

It is an arithmetic number, because the mean of its divisors is an integer number (60049833928).

Almost surely, 2^223042240291 is an apocalyptic number.

223042240291 is a deficient number, since it is larger than the sum of its proper divisors (17157095421).

223042240291 is a wasteful number, since it uses less digits than its factorization.

223042240291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17157095420.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 223042240291 its sum of digits (31), we get a palindrome (223042240322).

The spelling of 223042240291 in words is "two hundred twenty-three billion, forty-two million, two hundred forty thousand, two hundred ninety-one".