105623350624453 has 4 divisors (see below), whose sum is σ = 105630640538220. Its totient is φ = 105616060710688.

The previous prime is 105623350624399. The next prime is 105623350624471. The reversal of 105623350624453 is 354426053326501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27509164826724 + 78114185797729 = 5244918^2 + 8838223^2 .

It is a cyclic number.

It is not a de Polignac number, because 105623350624453 - 2⁴⁵ = 70438978535621 is a prime.

It is a super-2 number, since 2×105623350624453² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105623350624397 and 105623350624406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105623950624453) 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, 3644935150 + ... + 3644964127.

It is an arithmetic number, because the mean of its divisors is an integer number (26407660134555).

Almost surely, 2^{105623350624453} is an apocalyptic number.

It is an amenable number.

105623350624453 is a deficient number, since it is larger than the sum of its proper divisors (7289913767).

105623350624453 is an equidigital number, since it uses as much as digits as its factorization.

105623350624453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7289913766.

The product of its (nonzero) digits is 7776000, while the sum is 49.

The spelling of 105623350624453 in words is "one hundred five trillion, six hundred twenty-three billion, three hundred fifty million, six hundred twenty-four thousand, four hundred fifty-three".