102100000121323 has 4 divisors (see below), whose sum is σ = 102118662163008. Its totient is φ = 102081338079640.

The previous prime is 102100000121267. The next prime is 102100000121389. The reversal of 102100000121323 is 323121000001201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102100000121323 - 2¹³ = 102100000113131 is a prime.

It is a super-2 number, since 2×102100000121323² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102100000121297 and 102100000121306.

It is not an unprimeable number, because it can be changed into a prime (102100000121723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9331012636 + ... + 9331023577.

It is an arithmetic number, because the mean of its divisors is an integer number (25529665540752).

Almost surely, 2^{102100000121323} is an apocalyptic number.

102100000121323 is a deficient number, since it is larger than the sum of its proper divisors (18662041685).

102100000121323 is an equidigital number, since it uses as much as digits as its factorization.

102100000121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18662041684.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102100000121323 its reverse (323121000001201), we get a palindrome (425221000122524).

The spelling of 102100000121323 in words is "one hundred two trillion, one hundred billion, one hundred twenty-one thousand, three hundred twenty-three".