13423011442 has 4 divisors (see below), whose sum is σ = 20134517166. Its totient is φ = 6711505720.

The previous prime is 13423011431. The next prime is 13423011461. The reversal of 13423011442 is 24411032431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10673162721 + 2749848721 = 103311^2 + 52439^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3355752859 + ... + 3355752862.

Almost surely, 2^13423011442 is an apocalyptic number.

13423011442 is a deficient number, since it is larger than the sum of its proper divisors (6711505724).

13423011442 is an equidigital number, since it uses as much as digits as its factorization.

13423011442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711505723.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13423011442 its reverse (24411032431), we get a palindrome (37834043873).

The spelling of 13423011442 in words is "thirteen billion, four hundred twenty-three million, eleven thousand, four hundred forty-two".