105323454240 has 96 divisors (see below), whose sum is σ = 335766223296. Its totient is φ = 27747855360.

The previous prime is 105323454193. The next prime is 105323454277. The reversal of 105323454240 is 42454323501.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×105323454240² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1281991 + ... + 1361670.

It is an arithmetic number, because the mean of its divisors is an integer number (3497564826).

Almost surely, 2^105323454240 is an apocalyptic number.

105323454240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105323454240 is an abundant number, since it is smaller than the sum of its proper divisors (230442769056).

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

105323454240 is a wasteful number, since it uses less digits than its factorization.

105323454240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643762 (or 2643754 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 105323454240 its reverse (42454323501), we get a palindrome (147777777741).

The spelling of 105323454240 in words is "one hundred five billion, three hundred twenty-three million, four hundred fifty-four thousand, two hundred forty".