20110465523 has 4 divisors (see below), whose sum is σ = 20111763840. Its totient is φ = 20109167208.

The previous prime is 20110465513. The next prime is 20110465547. The reversal of 20110465523 is 32556401102.

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 20110465523 - 2³² = 15815498227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110465513) 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, 625640 + ... + 656997.

It is an arithmetic number, because the mean of its divisors is an integer number (5027940960).

Almost surely, 2^20110465523 is an apocalyptic number.

20110465523 is a deficient number, since it is larger than the sum of its proper divisors (1298317).

20110465523 is a wasteful number, since it uses less digits than its factorization.

20110465523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298316.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 20110465523 its reverse (32556401102), we get a palindrome (52666866625).

The spelling of 20110465523 in words is "twenty billion, one hundred ten million, four hundred sixty-five thousand, five hundred twenty-three".