12400530343 has 8 divisors (see below), whose sum is σ = 12536610800. Its totient is φ = 12264618240.

The previous prime is 12400530341. The next prime is 12400530409. The reversal of 12400530343 is 34303500421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12400530343 - 2¹ = 12400530341 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 (12400530341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108988 + ... + 191518.

It is an arithmetic number, because the mean of its divisors is an integer number (1567076350).

Almost surely, 2^12400530343 is an apocalyptic number.

12400530343 is a deficient number, since it is larger than the sum of its proper divisors (136080457).

12400530343 is an equidigital number, since it uses as much as digits as its factorization.

12400530343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84177.

The product of its (nonzero) digits is 4320, while the sum is 25.

The spelling of 12400530343 in words is "twelve billion, four hundred million, five hundred thirty thousand, three hundred forty-three".