83700523 has 4 divisors (see below), whose sum is σ = 83719120. Its totient is φ = 83681928.

The previous prime is 83700521. The next prime is 83700541. The reversal of 83700523 is 32500738.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83700523 - 2¹ = 83700521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83700491 and 83700500.

It is not an unprimeable number, because it can be changed into a prime (83700521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2161 + ... + 13117.

It is an arithmetic number, because the mean of its divisors is an integer number (20929780).

Almost surely, 2^83700523 is an apocalyptic number.

83700523 is a deficient number, since it is larger than the sum of its proper divisors (18597).

83700523 is a wasteful number, since it uses less digits than its factorization.

83700523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18596.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 83700523 is about 9148.7989922175. The cubic root of 83700523 is about 437.4308318407.

The spelling of 83700523 in words is "eighty-three million, seven hundred thousand, five hundred twenty-three".