13546501223 has 4 divisors (see below), whose sum is σ = 13547199240. Its totient is φ = 13545803208.

The previous prime is 13546501219. The next prime is 13546501249. The reversal of 13546501223 is 32210564531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32210564531 = 149717 ⋅215143.

It is a cyclic number.

It is not a de Polignac number, because 13546501223 - 2² = 13546501219 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 13546501223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13546501123) 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, 319040 + ... + 358997.

It is an arithmetic number, because the mean of its divisors is an integer number (3386799810).

Almost surely, 2^13546501223 is an apocalyptic number.

13546501223 is a deficient number, since it is larger than the sum of its proper divisors (698017).

13546501223 is an equidigital number, since it uses as much as digits as its factorization.

13546501223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698016.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 13546501223 in words is "thirteen billion, five hundred forty-six million, five hundred one thousand, two hundred twenty-three".