23440210404215 has 16 divisors (see below), whose sum is σ = 30873620140416. Its totient is φ = 16942840308000.

The previous prime is 23440210404211. The next prime is 23440210404229. The reversal of 23440210404215 is 51240401204432.

It is not a de Polignac number, because 23440210404215 - 2² = 23440210404211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23440210404211) 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 in 15 ways as a sum of consecutive naturals, for example, 1307308961 + ... + 1307326890.

It is an arithmetic number, because the mean of its divisors is an integer number (1929601258776).

Almost surely, 2^{23440210404215} is an apocalyptic number.

23440210404215 is a deficient number, since it is larger than the sum of its proper divisors (7433409736201).

23440210404215 is a wasteful number, since it uses less digits than its factorization.

23440210404215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614636030.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 23440210404215 its reverse (51240401204432), we get a palindrome (74680611608647).

The spelling of 23440210404215 in words is "twenty-three trillion, four hundred forty billion, two hundred ten million, four hundred four thousand, two hundred fifteen".