23411205616465 has 16 divisors (see below), whose sum is σ = 29900126816208. Its totient is φ = 17535927730176.

The previous prime is 23411205616451. The next prime is 23411205616481. The reversal of 23411205616465 is 56461650211432.

It can be written as a sum of positive squares in 8 ways, for example, as 2127487705281 + 21283717911184 = 1458591^2 + 4613428^2 .

It is a cyclic number.

It is not a de Polignac number, because 23411205616465 - 2¹¹ = 23411205614417 is a prime.

It is a Duffinian 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, 713522322 + ... + 713555131.

It is an arithmetic number, because the mean of its divisors is an integer number (1868757926013).

Almost surely, 2^{23411205616465} is an apocalyptic number.

It is an amenable number.

23411205616465 is a deficient number, since it is larger than the sum of its proper divisors (6488921199743).

23411205616465 is a wasteful number, since it uses less digits than its factorization.

23411205616465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427077668.

The product of its (nonzero) digits is 1036800, while the sum is 46.

Adding to 23411205616465 its reverse (56461650211432), we get a palindrome (79872855827897).

The spelling of 23411205616465 in words is "twenty-three trillion, four hundred eleven billion, two hundred five million, six hundred sixteen thousand, four hundred sixty-five".