100102342123 has 16 divisors (see below), whose sum is σ = 114577618176. Its totient is φ = 85670917920.

The previous prime is 100102342121. The next prime is 100102342157. The reversal of 100102342123 is 321243201001.

It is a happy number.

It is not a de Polignac number, because 100102342123 - 2¹ = 100102342121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100102342123.

It is not an unprimeable number, because it can be changed into a prime (100102342121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14711040 + ... + 14717842.

It is an arithmetic number, because the mean of its divisors is an integer number (7161101136).

Almost surely, 2^100102342123 is an apocalyptic number.

100102342123 is a deficient number, since it is larger than the sum of its proper divisors (14475276053).

100102342123 is a wasteful number, since it uses less digits than its factorization.

100102342123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9714.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 100102342123 its reverse (321243201001), we get a palindrome (421345543124).

It can be divided in two parts, 100102 and 342123, that added together give a square (442225 = 665²).

The spelling of 100102342123 in words is "one hundred billion, one hundred two million, three hundred forty-two thousand, one hundred twenty-three".