102211142323 has 4 divisors (see below), whose sum is σ = 102740733928. Its totient is φ = 101681550720.

The previous prime is 102211142273. The next prime is 102211142339. The reversal of 102211142323 is 323241112201.

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 102211142323 - 2²¹ = 102209045171 is a prime.

It is a super-2 number, since 2×102211142323² (a number of 23 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 = 102211142294 and 102211142303.

It is not an unprimeable number, because it can be changed into a prime (102211112323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264795513 + ... + 264795898.

It is an arithmetic number, because the mean of its divisors is an integer number (25685183482).

Almost surely, 2^102211142323 is an apocalyptic number.

102211142323 is a deficient number, since it is larger than the sum of its proper divisors (529591605).

102211142323 is an equidigital number, since it uses as much as digits as its factorization.

102211142323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529591604.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 102211142323 its reverse (323241112201), we get a palindrome (425452254524).

The spelling of 102211142323 in words is "one hundred two billion, two hundred eleven million, one hundred forty-two thousand, three hundred twenty-three".