42100424343 has 24 divisors (see below), whose sum is σ = 61061364000. Its totient is φ = 27951941184.

The previous prime is 42100424339. The next prime is 42100424363. The reversal of 42100424343 is 34342400124.

It is a happy number.

It is not a de Polignac number, because 42100424343 - 2² = 42100424339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42100424363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2566933 + ... + 2583281.

It is an arithmetic number, because the mean of its divisors is an integer number (2544223500).

Almost surely, 2^42100424343 is an apocalyptic number.

42100424343 is a deficient number, since it is larger than the sum of its proper divisors (18960939657).

42100424343 is a wasteful number, since it uses less digits than its factorization.

42100424343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17511 (or 17508 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42100424343 its reverse (34342400124), we get a palindrome (76442824467).

The spelling of 42100424343 in words is "forty-two billion, one hundred million, four hundred twenty-four thousand, three hundred forty-three".