2102031223 has 2 divisors, whose sum is σ = 2102031224. Its totient is φ = 2102031222.

The previous prime is 2102031193. The next prime is 2102031257. The reversal of 2102031223 is 3221302012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102031223 - 2²¹ = 2099934071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102031197 and 2102031206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102031293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051015611 + 1051015612.

It is an arithmetic number, because the mean of its divisors is an integer number (1051015612).

Almost surely, 2^2102031223 is an apocalyptic number.

2102031223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102031223 is an equidigital number, since it uses as much as digits as its factorization.

2102031223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2102031223 is about 45847.9140528770. The cubic root of 2102031223 is about 1280.9919115991.

Adding to 2102031223 its reverse (3221302012), we get a palindrome (5323333235).

The spelling of 2102031223 in words is "two billion, one hundred two million, thirty-one thousand, two hundred twenty-three".