105403454323 has 4 divisors (see below), whose sum is σ = 105573735160. Its totient is φ = 105233173488.

The previous prime is 105403454269. The next prime is 105403454327. The reversal of 105403454323 is 323454304501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323454304501 = 162109 ⋅1995289.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105403454323 is a prime.

It is a super-2 number, since 2×105403454323² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105403454327) 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, 85139490 + ... + 85140727.

It is an arithmetic number, because the mean of its divisors is an integer number (26393433790).

Almost surely, 2^105403454323 is an apocalyptic number.

105403454323 is a deficient number, since it is larger than the sum of its proper divisors (170280837).

105403454323 is an equidigital number, since it uses as much as digits as its factorization.

105403454323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170280836.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 105403454323 its reverse (323454304501), we get a palindrome (428857758824).

The spelling of 105403454323 in words is "one hundred five billion, four hundred three million, four hundred fifty-four thousand, three hundred twenty-three".