13442123201 has 4 divisors (see below), whose sum is σ = 14476132692. Its totient is φ = 12408113712.

The previous prime is 13442123161. The next prime is 13442123213. The reversal of 13442123201 is 10232124431.

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 2004890176 + 11437233025 = 44776^2 + 106945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13442123201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13442128201) 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, 517004726 + ... + 517004751.

It is an arithmetic number, because the mean of its divisors is an integer number (3619033173).

Almost surely, 2^13442123201 is an apocalyptic number.

It is an amenable number.

13442123201 is a deficient number, since it is larger than the sum of its proper divisors (1034009491).

13442123201 is a wasteful number, since it uses less digits than its factorization.

13442123201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034009490.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13442123201 its reverse (10232124431), we get a palindrome (23674247632).

The spelling of 13442123201 in words is "thirteen billion, four hundred forty-two million, one hundred twenty-three thousand, two hundred one".