2143153223 has 2 divisors, whose sum is σ = 2143153224. Its totient is φ = 2143153222.

The previous prime is 2143153169. The next prime is 2143153231. The reversal of 2143153223 is 3223513412.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143153223 - 2⁸ = 2143152967 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2143153192 and 2143153201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143153283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071576611 + 1071576612.

It is an arithmetic number, because the mean of its divisors is an integer number (1071576612).

Almost surely, 2^2143153223 is an apocalyptic number.

2143153223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143153223 is an equidigital number, since it uses as much as digits as its factorization.

2143153223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 2143153223 is about 46294.2029092196. The cubic root of 2143153223 is about 1289.2913646979.

Adding to 2143153223 its reverse (3223513412), we get a palindrome (5366666635).

The spelling of 2143153223 in words is "two billion, one hundred forty-three million, one hundred fifty-three thousand, two hundred twenty-three".