102011210323 has 4 divisors (see below), whose sum is σ = 111284956728. Its totient is φ = 92737463920.

The previous prime is 102011210321. The next prime is 102011210333. The reversal of 102011210323 is 323012110201.

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 102011210323 - 2¹ = 102011210321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102011210297 and 102011210306.

It is not an unprimeable number, because it can be changed into a prime (102011210321) 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, 4636873186 + ... + 4636873207.

It is an arithmetic number, because the mean of its divisors is an integer number (27821239182).

Almost surely, 2^102011210323 is an apocalyptic number.

102011210323 is a deficient number, since it is larger than the sum of its proper divisors (9273746405).

102011210323 is an equidigital number, since it uses as much as digits as its factorization.

102011210323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9273746404.

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

Adding to 102011210323 its reverse (323012110201), we get a palindrome (425023320524).

The spelling of 102011210323 in words is "one hundred two billion, eleven million, two hundred ten thousand, three hundred twenty-three".