204351422423 has 8 divisors (see below), whose sum is σ = 209110134288. Its totient is φ = 199592999424.

The previous prime is 204351422383. The next prime is 204351422447. The reversal of 204351422423 is 324224153402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204351422423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204351422423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204351422123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2135561 + ... + 2229197.

It is an arithmetic number, because the mean of its divisors is an integer number (26138766786).

Almost surely, 2^204351422423 is an apocalyptic number.

204351422423 is a deficient number, since it is larger than the sum of its proper divisors (4758711865).

204351422423 is an equidigital number, since it uses as much as digits as its factorization.

204351422423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144433.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 204351422423 its reverse (324224153402), we get a palindrome (528575575825).

The spelling of 204351422423 in words is "two hundred four billion, three hundred fifty-one million, four hundred twenty-two thousand, four hundred twenty-three".