23660774485 has 4 divisors (see below), whose sum is σ = 28392929388. Its totient is φ = 18928619584.

The previous prime is 23660774483. The next prime is 23660774503. The reversal of 23660774485 is 58447706632.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17482657284 + 6178117201 = 132222^2 + 78601^2 .

It is a cyclic number.

It is not a de Polignac number, because 23660774485 - 2¹ = 23660774483 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 (23660774483) 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, 2366077444 + ... + 2366077453.

It is an arithmetic number, because the mean of its divisors is an integer number (7098232347).

Almost surely, 2^23660774485 is an apocalyptic number.

It is an amenable number.

23660774485 is a deficient number, since it is larger than the sum of its proper divisors (4732154903).

23660774485 is an equidigital number, since it uses as much as digits as its factorization.

23660774485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4732154902.

The product of its (nonzero) digits is 6773760, while the sum is 52.

The spelling of 23660774485 in words is "twenty-three billion, six hundred sixty million, seven hundred seventy-four thousand, four hundred eighty-five".