2123353441 has 4 divisors (see below), whose sum is σ = 2316385584. Its totient is φ = 1930321300.

The previous prime is 2123353439. The next prime is 2123353457. The reversal of 2123353441 is 1443533212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2123353441 - 2¹ = 2123353439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123353471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96516055 + ... + 96516076.

It is an arithmetic number, because the mean of its divisors is an integer number (579096396).

Almost surely, 2^2123353441 is an apocalyptic number.

It is an amenable number.

2123353441 is a deficient number, since it is larger than the sum of its proper divisors (193032143).

2123353441 is a wasteful number, since it uses less digits than its factorization.

2123353441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193032142.

The product of its digits is 8640, while the sum is 28.

The square root of 2123353441 is about 46079.8593856362. The cubic root of 2123353441 is about 1285.3086493818.

Adding to 2123353441 its reverse (1443533212), we get a palindrome (3566886653).

The spelling of 2123353441 in words is "two billion, one hundred twenty-three million, three hundred fifty-three thousand, four hundred forty-one".