43123201442004 has 96 divisors (see below), whose sum is σ = 105859690070400. Its totient is φ = 13642859704320.

The previous prime is 43123201441997. The next prime is 43123201442017. The reversal of 43123201442004 is 40024410232134.

It is a super-2 number, since 2×43123201442004² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 643049244 + ... + 643116300.

It is an arithmetic number, because the mean of its divisors is an integer number (1102705104900).

Almost surely, 2^{43123201442004} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43123201442004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52929845035200).

43123201442004 is an abundant number, since it is smaller than the sum of its proper divisors (62736488628396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43123201442004 is a wasteful number, since it uses less digits than its factorization.

43123201442004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98473 (or 98471 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 43123201442004 its reverse (40024410232134), we get a palindrome (83147611674138).

The spelling of 43123201442004 in words is "forty-three trillion, one hundred twenty-three billion, two hundred one million, four hundred forty-two thousand, four".