84057443423 has 8 divisors (see below), whose sum is σ = 86935533696. Its totient is φ = 81189763200.

The previous prime is 84057443389. The next prime is 84057443467. The reversal of 84057443423 is 32434475048.

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 84057443423 - 2⁶ = 84057443359 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 (84057449423) 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, 2586086 + ... + 2618387.

It is an arithmetic number, because the mean of its divisors is an integer number (10866941712).

Almost surely, 2^84057443423 is an apocalyptic number.

84057443423 is a deficient number, since it is larger than the sum of its proper divisors (2878090273).

84057443423 is a wasteful number, since it uses less digits than its factorization.

84057443423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5205025.

The product of its (nonzero) digits is 1290240, while the sum is 44.

The spelling of 84057443423 in words is "eighty-four billion, fifty-seven million, four hundred forty-three thousand, four hundred twenty-three".