23356842545 has 8 divisors (see below), whose sum is σ = 28030194024. Its totient is φ = 18684152064.

The previous prime is 23356842541. The next prime is 23356842547. The reversal of 23356842545 is 54524865332.

It can be written as a sum of positive squares in 4 ways, for example, as 5417990449 + 17938852096 = 73607^2 + 133936^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23356842545 - 2² = 23356842541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23356842545.

It is not an unprimeable number, because it can be changed into a prime (23356842541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83864 + ... + 231833.

It is an arithmetic number, because the mean of its divisors is an integer number (3503774253).

Almost surely, 2^23356842545 is an apocalyptic number.

It is an amenable number.

23356842545 is a deficient number, since it is larger than the sum of its proper divisors (4673351479).

23356842545 is a wasteful number, since it uses less digits than its factorization.

23356842545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330499.

The product of its digits is 3456000, while the sum is 47.

The spelling of 23356842545 in words is "twenty-three billion, three hundred fifty-six million, eight hundred forty-two thousand, five hundred forty-five".