83638323 has 12 divisors (see below), whose sum is σ = 127169640. Its totient is φ = 52824096.

The previous prime is 83638309. The next prime is 83638339. The reversal of 83638323 is 32383638.

It is not a de Polignac number, because 83638323 - 2⁸ = 83638067 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (83638393) 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, 244386 + ... + 244727.

It is an arithmetic number, because the mean of its divisors is an integer number (10597470).

Almost surely, 2^83638323 is an apocalyptic number.

83638323 is a deficient number, since it is larger than the sum of its proper divisors (43531317).

83638323 is a wasteful number, since it uses less digits than its factorization.

83638323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489138 (or 489135 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 83638323 is about 9145.3990071511. The cubic root of 83638323 is about 437.3224496417.

The spelling of 83638323 in words is "eighty-three million, six hundred thirty-eight thousand, three hundred twenty-three".