83993429523 has 8 divisors (see below), whose sum is σ = 117885515200. Its totient is φ = 53048481768.

The previous prime is 83993429521. The next prime is 83993429537. The reversal of 83993429523 is 32592439938.

It is a happy number.

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

It is not a de Polignac number, because 83993429523 - 2¹ = 83993429521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 1473568939 = 83993429523 / (8 + 3 + 9 + 9 + 3 + 4 + 2 + 9 + 5 + 2 + 3).

It is not an unprimeable number, because it can be changed into a prime (83993429521) 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, 736784413 + ... + 736784526.

It is an arithmetic number, because the mean of its divisors is an integer number (14735689400).

Almost surely, 2^83993429523 is an apocalyptic number.

83993429523 is a deficient number, since it is larger than the sum of its proper divisors (33892085677).

83993429523 is a wasteful number, since it uses less digits than its factorization.

83993429523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473568961.

The product of its digits is 12597120, while the sum is 57.

The spelling of 83993429523 in words is "eighty-three billion, nine hundred ninety-three million, four hundred twenty-nine thousand, five hundred twenty-three".