100423442135 has 32 divisors (see below), whose sum is σ = 125599982400. Its totient is φ = 76987975680.

The previous prime is 100423442123. The next prime is 100423442153. The reversal of 100423442135 is 531244324001.

It is not a de Polignac number, because 100423442135 - 2²⁰ = 100422393559 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 100423442098 and 100423442107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10986287 + ... + 10995423.

It is an arithmetic number, because the mean of its divisors is an integer number (3924999450).

Almost surely, 2^100423442135 is an apocalyptic number.

100423442135 is a deficient number, since it is larger than the sum of its proper divisors (25176540265).

100423442135 is a wasteful number, since it uses less digits than its factorization.

100423442135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9731.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 100423442135 its reverse (531244324001), we get a palindrome (631667766136).

The spelling of 100423442135 in words is "one hundred billion, four hundred twenty-three million, four hundred forty-two thousand, one hundred thirty-five".