105423353454 has 32 divisors (see below), whose sum is σ = 212079722400. Its totient is φ = 34936215552.

The previous prime is 105423353417. The next prime is 105423353459. The reversal of 105423353454 is 454353324501.

It is a super-2 number, since 2×105423353454² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105423353459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630982 + ... + 780374.

It is an arithmetic number, because the mean of its divisors is an integer number (6627491325).

Almost surely, 2^105423353454 is an apocalyptic number.

105423353454 is an abundant number, since it is smaller than the sum of its proper divisors (106656368946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105423353454 is a wasteful number, since it uses less digits than its factorization.

105423353454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150084.

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 105423353454 its reverse (454353324501), we get a palindrome (559776677955).

The spelling of 105423353454 in words is "one hundred five billion, four hundred twenty-three million, three hundred fifty-three thousand, four hundred fifty-four".