83697723 has 6 divisors (see below), whose sum is σ = 120896724. Its totient is φ = 55798476.

The previous prime is 83697709. The next prime is 83697727. The reversal of 83697723 is 32779638.

It is a happy number.

It is not a de Polignac number, because 83697723 - 2¹³ = 83689531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83697727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4649865 + ... + 4649882.

It is an arithmetic number, because the mean of its divisors is an integer number (20149454).

Almost surely, 2^83697723 is an apocalyptic number.

83697723 is a deficient number, since it is larger than the sum of its proper divisors (37199001).

83697723 is a wasteful number, since it uses less digits than its factorization.

83697723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9299753 (or 9299750 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 83697723 is about 9148.6459653874. The cubic root of 83697723 is about 437.4259540536.

The spelling of 83697723 in words is "eighty-three million, six hundred ninety-seven thousand, seven hundred twenty-three".