105423532453 has 4 divisors (see below), whose sum is σ = 106997018080. Its totient is φ = 103850046828.

The previous prime is 105423532433. The next prime is 105423532469. The reversal of 105423532453 is 354235324501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105423532453 is a prime.

It is a super-2 number, since 2×105423532453² (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 (105423532433) 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, 786742713 + ... + 786742846.

It is an arithmetic number, because the mean of its divisors is an integer number (26749254520).

Almost surely, 2^105423532453 is an apocalyptic number.

It is an amenable number.

105423532453 is a deficient number, since it is larger than the sum of its proper divisors (1573485627).

105423532453 is an equidigital number, since it uses as much as digits as its factorization.

105423532453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573485626.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 105423532453 its reverse (354235324501), we get a palindrome (459658856954).

The spelling of 105423532453 in words is "one hundred five billion, four hundred twenty-three million, five hundred thirty-two thousand, four hundred fifty-three".