105423505455 has 32 divisors (see below), whose sum is σ = 171320486400. Its totient is φ = 55347384960.

The previous prime is 105423505427. The next prime is 105423505463. The reversal of 105423505455 is 554505324501.

It is not a de Polignac number, because 105423505455 - 2⁵ = 105423505423 is a prime.

It is a super-2 number, since 2×105423505455² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 607821 + ... + 761769.

It is an arithmetic number, because the mean of its divisors is an integer number (5353765200).

Almost surely, 2^105423505455 is an apocalyptic number.

105423505455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105423505455 is a deficient number, since it is larger than the sum of its proper divisors (65896980945).

105423505455 is a wasteful number, since it uses less digits than its factorization.

105423505455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154671.

The product of its (nonzero) digits is 300000, while the sum is 39.

Adding to 105423505455 its reverse (554505324501), we get a palindrome (659928829956).

The spelling of 105423505455 in words is "one hundred five billion, four hundred twenty-three million, five hundred five thousand, four hundred fifty-five".