43423640002 has 8 divisors (see below), whose sum is σ = 65136358800. Its totient is φ = 21711520404.

The previous prime is 43423639907. The next prime is 43423640009. The reversal of 43423640002 is 20004632434.

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

It is a super-2 number, since 2×43423640002² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43423640009) 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, 157249 + ... + 334027.

It is an arithmetic number, because the mean of its divisors is an integer number (8142044850).

Almost surely, 2^43423640002 is an apocalyptic number.

43423640002 is a deficient number, since it is larger than the sum of its proper divisors (21712718798).

43423640002 is a wasteful number, since it uses less digits than its factorization.

43423640002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299600.

The product of its (nonzero) digits is 13824, while the sum is 28.

The spelling of 43423640002 in words is "forty-three billion, four hundred twenty-three million, six hundred forty thousand, two".