23536560477 has 4 divisors (see below), whose sum is σ = 31382080640. Its totient is φ = 15691040316.

The previous prime is 23536560461. The next prime is 23536560499. The reversal of 23536560477 is 77406563532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23536560477 - 2⁴ = 23536560461 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 (23536560277) 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, 3922760077 + ... + 3922760082.

It is an arithmetic number, because the mean of its divisors is an integer number (7845520160).

Almost surely, 2^23536560477 is an apocalyptic number.

It is an amenable number.

23536560477 is a deficient number, since it is larger than the sum of its proper divisors (7845520163).

23536560477 is an equidigital number, since it uses as much as digits as its factorization.

23536560477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7845520162.

The product of its (nonzero) digits is 3175200, while the sum is 48.

The spelling of 23536560477 in words is "twenty-three billion, five hundred thirty-six million, five hundred sixty thousand, four hundred seventy-seven".