102323231111 has 4 divisors (see below), whose sum is σ = 102324565224. Its totient is φ = 102321897000.

The previous prime is 102323231107. The next prime is 102323231113. The reversal of 102323231111 is 111132323201.

It is a happy number.

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 102323231111 - 2² = 102323231107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102323231113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544505 + ... + 707906.

It is an arithmetic number, because the mean of its divisors is an integer number (25581141306).

Almost surely, 2^102323231111 is an apocalyptic number.

102323231111 is a deficient number, since it is larger than the sum of its proper divisors (1334113).

102323231111 is an equidigital number, since it uses as much as digits as its factorization.

102323231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334112.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 102323231111 its reverse (111132323201), we get a palindrome (213455554312).

The spelling of 102323231111 in words is "one hundred two billion, three hundred twenty-three million, two hundred thirty-one thousand, one hundred eleven".