100505454323 has 4 divisors (see below), whose sum is σ = 100509742560. Its totient is φ = 100501166088.

The previous prime is 100505454319. The next prime is 100505454337. The reversal of 100505454323 is 323454505001.

It is a happy number.

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 100505454323 - 2² = 100505454319 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 100505454323.

It is not an unprimeable number, because it can be changed into a prime (100505454373) 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, 2108768 + ... + 2155901.

It is an arithmetic number, because the mean of its divisors is an integer number (25127435640).

Almost surely, 2^100505454323 is an apocalyptic number.

100505454323 is a deficient number, since it is larger than the sum of its proper divisors (4288237).

100505454323 is an equidigital number, since it uses as much as digits as its factorization.

100505454323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288236.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 100505454323 its reverse (323454505001), we get a palindrome (423959959324).

The spelling of 100505454323 in words is "one hundred billion, five hundred five million, four hundred fifty-four thousand, three hundred twenty-three".