12443555434 has 8 divisors (see below), whose sum is σ = 19267440768. Its totient is φ = 6021075180.

The previous prime is 12443555347. The next prime is 12443555459. The reversal of 12443555434 is 43455534421.

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

It is a super-3 number, since 3×12443555434³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100351192 + ... + 100351315.

It is an arithmetic number, because the mean of its divisors is an integer number (2408430096).

Almost surely, 2^12443555434 is an apocalyptic number.

12443555434 is a deficient number, since it is larger than the sum of its proper divisors (6823885334).

12443555434 is a wasteful number, since it uses less digits than its factorization.

12443555434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200702540.

The product of its digits is 576000, while the sum is 40.

The spelling of 12443555434 in words is "twelve billion, four hundred forty-three million, five hundred fifty-five thousand, four hundred thirty-four".