100044243523 has 16 divisors (see below), whose sum is σ = 115605053440. Its totient is φ = 84804947136.

The previous prime is 100044243503. The next prime is 100044243539. The reversal of 100044243523 is 325342440001.

It is a happy number.

It is not a de Polignac number, because 100044243523 - 2¹⁷ = 100044112451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100044243491 and 100044243500.

It is not an unprimeable number, because it can be changed into a prime (100044243503) 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, 98488 + ... + 458026.

It is an arithmetic number, because the mean of its divisors is an integer number (7225315840).

Almost surely, 2^100044243523 is an apocalyptic number.

100044243523 is a deficient number, since it is larger than the sum of its proper divisors (15560809917).

100044243523 is a wasteful number, since it uses less digits than its factorization.

100044243523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359986.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 100044243523 its reverse (325342440001), we get a palindrome (425386683524).

The spelling of 100044243523 in words is "one hundred billion, forty-four million, two hundred forty-three thousand, five hundred twenty-three".