23436004542653 has 4 divisors (see below), whose sum is σ = 24814593045180. Its totient is φ = 22057416040128.

The previous prime is 23436004542649. The next prime is 23436004542677. The reversal of 23436004542653 is 35624540063432.

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 14491436924644 + 8944567618009 = 3806762^2 + 2990747^2 .

It is not a de Polignac number, because 23436004542653 - 2² = 23436004542649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23436004542598 and 23436004542607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23436004592653) 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, 689294251238 + ... + 689294251271.

It is an arithmetic number, because the mean of its divisors is an integer number (6203648261295).

Almost surely, 2^{23436004542653} is an apocalyptic number.

It is an amenable number.

23436004542653 is a deficient number, since it is larger than the sum of its proper divisors (1378588502527).

23436004542653 is a wasteful number, since it uses less digits than its factorization.

23436004542653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378588502526.

The product of its (nonzero) digits is 6220800, while the sum is 47.

The spelling of 23436004542653 in words is "twenty-three trillion, four hundred thirty-six billion, four million, five hundred forty-two thousand, six hundred fifty-three".