12345305453 has 16 divisors (see below), whose sum is σ = 13877692416. Its totient is φ = 10896504960.

The previous prime is 12345305443. The next prime is 12345305471. The reversal of 12345305453 is 35450354321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12345305453 - 2⁸ = 12345305197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12345305443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1255988 + ... + 1265778.

It is an arithmetic number, because the mean of its divisors is an integer number (867355776).

Almost surely, 2^12345305453 is an apocalyptic number.

12345305453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12345305453 is a deficient number, since it is larger than the sum of its proper divisors (1532386963).

12345305453 is a wasteful number, since it uses less digits than its factorization.

12345305453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14044.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 12345305453 its reverse (35450354321), we get a palindrome (47795659774).

The spelling of 12345305453 in words is "twelve billion, three hundred forty-five million, three hundred five thousand, four hundred fifty-three".