105463405423 has 8 divisors (see below), whose sum is σ = 106242829488. Its totient is φ = 104684121024.

The previous prime is 105463405417. The next prime is 105463405441. The reversal of 105463405423 is 324504364501.

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-105463405423 is a prime.

It is a super-2 number, since 2×105463405423² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105463405403) 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, 1857565 + ... + 1913497.

It is an arithmetic number, because the mean of its divisors is an integer number (13280353686).

Almost surely, 2^105463405423 is an apocalyptic number.

105463405423 is a deficient number, since it is larger than the sum of its proper divisors (779424065).

105463405423 is a wasteful number, since it uses less digits than its factorization.

105463405423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69833.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 105463405423 its reverse (324504364501), we get a palindrome (429967769924).

The spelling of 105463405423 in words is "one hundred five billion, four hundred sixty-three million, four hundred five thousand, four hundred twenty-three".