23440352324015 has 16 divisors (see below), whose sum is σ = 30700948941216. Its totient is φ = 17038975180800.

The previous prime is 23440352323961. The next prime is 23440352324027. The reversal of 23440352324015 is 51042325304432.

It is not a de Polignac number, because 23440352324015 - 2¹² = 23440352319919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23440352324015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106811666 + ... + 107030895.

It is an arithmetic number, because the mean of its divisors is an integer number (1918809308826).

Almost surely, 2^{23440352324015} is an apocalyptic number.

23440352324015 is a deficient number, since it is larger than the sum of its proper divisors (7260596617201).

23440352324015 is a wasteful number, since it uses less digits than its factorization.

23440352324015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213844570.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 23440352324015 its reverse (51042325304432), we get a palindrome (74482677628447).

The spelling of 23440352324015 in words is "twenty-three trillion, four hundred forty billion, three hundred fifty-two million, three hundred twenty-four thousand, fifteen".