100323121134 has 64 divisors (see below), whose sum is σ = 212101908480. Its totient is φ = 31589900160.

The previous prime is 100323121133. The next prime is 100323121153. The reversal of 100323121134 is 431121323001.

It is a self number, because there is not a number n which added to its sum of digits gives 100323121134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100323121133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1916197 + ... + 1967855.

It is an arithmetic number, because the mean of its divisors is an integer number (3314092320).

Almost surely, 2^100323121134 is an apocalyptic number.

100323121134 is an abundant number, since it is smaller than the sum of its proper divisors (111778787346).

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

100323121134 is a wasteful number, since it uses less digits than its factorization.

100323121134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51945.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 100323121134 its reverse (431121323001), we get a palindrome (531444444135).

The spelling of 100323121134 in words is "one hundred billion, three hundred twenty-three million, one hundred twenty-one thousand, one hundred thirty-four".