23110045505 has 16 divisors (see below), whose sum is σ = 28303725648. Its totient is φ = 18109440000.

The previous prime is 23110045499. The next prime is 23110045561. The reversal of 23110045505 is 50554001132.

It can be written as a sum of positive squares in 8 ways, for example, as 335915584 + 22774129921 = 18328^2 + 150911^2 .

It is not a de Polignac number, because 23110045505 - 2¹⁴ = 23110029121 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, 83696 + ... + 230705.

It is an arithmetic number, because the mean of its divisors is an integer number (1768982853).

Almost surely, 2^23110045505 is an apocalyptic number.

It is an amenable number.

23110045505 is a deficient number, since it is larger than the sum of its proper divisors (5193680143).

23110045505 is a wasteful number, since it uses less digits than its factorization.

23110045505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314708.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 23110045505 its reverse (50554001132), we get a palindrome (73664046637).

The spelling of 23110045505 in words is "twenty-three billion, one hundred ten million, forty-five thousand, five hundred five".