Search a number
-
+
83423129723 = 313337790883
BaseRepresentation
bin100110110110001100…
…1111111000001111011
321222022220100002012022
41031230121333001323
52331322310122343
6102153555105055
76012205621433
oct1155431770173
9258286302168
1083423129723
113241a20010a
12142022a218b
137b3639876b
1440756472c3
152283c94568
hex136c67f07b

83423129723 has 8 divisors (see below), whose sum is σ = 83938100688. Its totient is φ = 82909741824.

The previous prime is 83423129719. The next prime is 83423129743. The reversal of 83423129723 is 32792132438.

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 83423129723 - 22 = 83423129719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83423129743) 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, 289961 + ... + 500922.

It is an arithmetic number, because the mean of its divisors is an integer number (10492262586).

Almost surely, 283423129723 is an apocalyptic number.

83423129723 is a deficient number, since it is larger than the sum of its proper divisors (514970965).

83423129723 is a wasteful number, since it uses less digits than its factorization.

83423129723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791533.

The product of its digits is 435456, while the sum is 44.

The spelling of 83423129723 in words is "eighty-three billion, four hundred twenty-three million, one hundred twenty-nine thousand, seven hundred twenty-three".

Divisors: 1 313 337 105481 790883 247546379 266527571 83423129723