12354022673 has 4 divisors (see below), whose sum is σ = 12393492708. Its totient is φ = 12314552640.

The previous prime is 12354022669. The next prime is 12354022687. The reversal of 12354022673 is 37622045321.

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 238177489 + 12115845184 = 15433^2 + 110072^2 .

It is a cyclic number.

It is not a de Polignac number, because 12354022673 - 2² = 12354022669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12354022633) 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, 19734548 + ... + 19735173.

It is an arithmetic number, because the mean of its divisors is an integer number (3098373177).

Almost surely, 2^12354022673 is an apocalyptic number.

It is an amenable number.

12354022673 is a deficient number, since it is larger than the sum of its proper divisors (39470035).

12354022673 is an equidigital number, since it uses as much as digits as its factorization.

12354022673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39470034.

The product of its (nonzero) digits is 60480, while the sum is 35.

Adding to 12354022673 its reverse (37622045321), we get a palindrome (49976067994).

The spelling of 12354022673 in words is "twelve billion, three hundred fifty-four million, twenty-two thousand, six hundred seventy-three".