83508723 has 12 divisors (see below), whose sum is σ = 121575168. Its totient is φ = 55233360.

The previous prime is 83508721. The next prime is 83508749. The reversal of 83508723 is 32780538.

83508723 is a `hidden beast` number, since 83 + 508 + 72 + 3 = 666.

It is not a de Polignac number, because 83508723 - 2¹ = 83508721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83508721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35388 + ... + 37673.

It is an arithmetic number, because the mean of its divisors is an integer number (10131264).

Almost surely, 2^83508723 is an apocalyptic number.

83508723 is a deficient number, since it is larger than the sum of its proper divisors (38066445).

83508723 is a wasteful number, since it uses less digits than its factorization.

83508723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73194 (or 73191 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 83508723 is about 9138.3107301076. The cubic root of 83508723 is about 437.0964516108.

The spelling of 83508723 in words is "eighty-three million, five hundred eight thousand, seven hundred twenty-three".