204222240023 has 4 divisors (see below), whose sum is σ = 204223542120. Its totient is φ = 204220937928.

The previous prime is 204222239971. The next prime is 204222240029. The reversal of 204222240023 is 320042222402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204222240023 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 (204222240029) 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, 377465 + ... + 742242.

It is an arithmetic number, because the mean of its divisors is an integer number (51055885530).

Almost surely, 2^204222240023 is an apocalyptic number.

204222240023 is a deficient number, since it is larger than the sum of its proper divisors (1302097).

204222240023 is a wasteful number, since it uses less digits than its factorization.

204222240023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302096.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 204222240023 its reverse (320042222402), we get a palindrome (524264462425).

The spelling of 204222240023 in words is "two hundred four billion, two hundred twenty-two million, two hundred forty thousand, twenty-three".