100020035523 has 8 divisors (see below), whose sum is σ = 133396018000. Its totient is φ = 66662038368.

The previous prime is 100020035519. The next prime is 100020035567. The reversal of 100020035523 is 325530020001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100020035523 - 2² = 100020035519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100020035523.

It is not an unprimeable number, because it can be changed into a prime (100020035023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4483348 + ... + 4505601.

It is an arithmetic number, because the mean of its divisors is an integer number (16674502250).

Almost surely, 2^100020035523 is an apocalyptic number.

100020035523 is a deficient number, since it is larger than the sum of its proper divisors (33375982477).

100020035523 is an equidigital number, since it uses as much as digits as its factorization.

100020035523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8992661.

The product of its (nonzero) digits is 900, while the sum is 21.

Adding to 100020035523 its reverse (325530020001), we get a palindrome (425550055524).

The spelling of 100020035523 in words is "one hundred billion, twenty million, thirty-five thousand, five hundred twenty-three".