23434216054321 has 4 divisors (see below), whose sum is σ = 24812699351652. Its totient is φ = 22055732756992.

The previous prime is 23434216054313. The next prime is 23434216054351. The reversal of 23434216054321 is 12345061243432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8490084750625 + 14944131303696 = 2913775^2 + 3865764^2 .

It is a cyclic number.

It is not a de Polignac number, because 23434216054321 - 2³ = 23434216054313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23434216054351) 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, 689241648640 + ... + 689241648673.

It is an arithmetic number, because the mean of its divisors is an integer number (6203174837913).

Almost surely, 2^{23434216054321} is an apocalyptic number.

It is an amenable number.

23434216054321 is a deficient number, since it is larger than the sum of its proper divisors (1378483297331).

23434216054321 is a wasteful number, since it uses less digits than its factorization.

23434216054321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378483297330.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 23434216054321 its reverse (12345061243432), we get a palindrome (35779277297753).

The spelling of 23434216054321 in words is "twenty-three trillion, four hundred thirty-four billion, two hundred sixteen million, fifty-four thousand, three hundred twenty-one".