100550312523 has 40 divisors (see below), whose sum is σ = 153944865536. Its totient is φ = 65369430000.

The previous prime is 100550312521. The next prime is 100550312531. The reversal of 100550312523 is 325213055001.

It is a happy number.

100550312523 is a `hidden beast` number, since 10 + 0 + 5 + 503 + 125 + 23 = 666.

It is not a de Polignac number, because 100550312523 - 2¹ = 100550312521 is a prime.

It is a super-2 number, since 2×100550312523² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (100550312521) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2174898 + ... + 2220648.

Almost surely, 2^100550312523 is an apocalyptic number.

100550312523 is a deficient number, since it is larger than the sum of its proper divisors (53394553013).

100550312523 is an equidigital number, since it uses as much as digits as its factorization.

100550312523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46437 (or 46428 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 100550312523 its reverse (325213055001), we get a palindrome (425763367524).

The spelling of 100550312523 in words is "one hundred billion, five hundred fifty million, three hundred twelve thousand, five hundred twenty-three".