2123353471 has 2 divisors, whose sum is σ = 2123353472. Its totient is φ = 2123353470.

The previous prime is 2123353457. The next prime is 2123353487. The reversal of 2123353471 is 1743533212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2123353471 - 2⁵ = 2123353439 is a prime.

It is a super-3 number, since 3×2123353471³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123353171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061676735 + 1061676736.

It is an arithmetic number, because the mean of its divisors is an integer number (1061676736).

Almost surely, 2^2123353471 is an apocalyptic number.

2123353471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123353471 is an equidigital number, since it uses as much as digits as its factorization.

2123353471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 31.

The square root of 2123353471 is about 46079.8597111580. The cubic root of 2123353471 is about 1285.3086554350.

Adding to 2123353471 its reverse (1743533212), we get a palindrome (3866886683).

The spelling of 2123353471 in words is "two billion, one hundred twenty-three million, three hundred fifty-three thousand, four hundred seventy-one".