204140124213223 has 4 divisors (see below), whose sum is σ = 222698317323528. Its totient is φ = 185581931102920.

The previous prime is 204140124213211. The next prime is 204140124213329. The reversal of 204140124213223 is 322312421041402.

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

It is not a de Polignac number, because 204140124213223 - 2²¹ = 204140122116071 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 (204140124210223) 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, 9279096555136 + ... + 9279096555157.

It is an arithmetic number, because the mean of its divisors is an integer number (55674579330882).

Almost surely, 2^{204140124213223} is an apocalyptic number.

204140124213223 is a deficient number, since it is larger than the sum of its proper divisors (18558193110305).

204140124213223 is a wasteful number, since it uses less digits than its factorization.

204140124213223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18558193110304.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 204140124213223 its reverse (322312421041402), we get a palindrome (526452545254625).

The spelling of 204140124213223 in words is "two hundred four trillion, one hundred forty billion, one hundred twenty-four million, two hundred thirteen thousand, two hundred twenty-three".