102100201323 has 24 divisors (see below), whose sum is σ = 140343770112. Its totient is φ = 65994924144.

The previous prime is 102100201283. The next prime is 102100201327. The reversal of 102100201323 is 323102001201.

It is not a de Polignac number, because 102100201323 - 2¹³ = 102100193131 is a prime.

It is a super-2 number, since 2×102100201323² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102100201327) 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 23 ways as a sum of consecutive naturals, for example, 1582686 + ... + 1645932.

It is an arithmetic number, because the mean of its divisors is an integer number (5847657088).

Almost surely, 2^102100201323 is an apocalyptic number.

102100201323 is a deficient number, since it is larger than the sum of its proper divisors (38243568789).

102100201323 is an equidigital number, since it uses as much as digits as its factorization.

102100201323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63511 (or 63404 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 102100201323 its reverse (323102001201), we get a palindrome (425202202524).

The spelling of 102100201323 in words is "one hundred two billion, one hundred million, two hundred one thousand, three hundred twenty-three".