23554552765 has 4 divisors (see below), whose sum is σ = 28265463324. Its totient is φ = 18843642208.

The previous prime is 23554552751. The next prime is 23554552781. The reversal of 23554552765 is 56725545532.

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 8401188964 + 15153363801 = 91658^2 + 123099^2 .

It is a cyclic number.

It is not a de Polignac number, because 23554552765 - 2²³ = 23546164157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2355455272 + ... + 2355455281.

It is an arithmetic number, because the mean of its divisors is an integer number (7066365831).

Almost surely, 2^23554552765 is an apocalyptic number.

It is an amenable number.

23554552765 is a deficient number, since it is larger than the sum of its proper divisors (4710910559).

23554552765 is an equidigital number, since it uses as much as digits as its factorization.

23554552765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4710910558.

The product of its digits is 6300000, while the sum is 49.

The spelling of 23554552765 in words is "twenty-three billion, five hundred fifty-four million, five hundred fifty-two thousand, seven hundred sixty-five".