23115316521463 has 4 divisors (see below), whose sum is σ = 23115766733800. Its totient is φ = 23114866309128.

The previous prime is 23115316521461. The next prime is 23115316521503. The reversal of 23115316521463 is 36412561351132.

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

It is a cyclic number.

It is not a de Polignac number, because 23115316521463 - 2¹ = 23115316521461 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 (23115316521461) 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, 225029145 + ... + 225131842.

It is an arithmetic number, because the mean of its divisors is an integer number (5778941683450).

Almost surely, 2^{23115316521463} is an apocalyptic number.

23115316521463 is a deficient number, since it is larger than the sum of its proper divisors (450212337).

23115316521463 is an equidigital number, since it uses as much as digits as its factorization.

23115316521463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450212336.

The product of its digits is 388800, while the sum is 43.

Adding to 23115316521463 its reverse (36412561351132), we get a palindrome (59527877872595).

The spelling of 23115316521463 in words is "twenty-three trillion, one hundred fifteen billion, three hundred sixteen million, five hundred twenty-one thousand, four hundred sixty-three".