83823437 has 2 divisors, whose sum is σ = 83823438. Its totient is φ = 83823436.

The previous prime is 83823401. The next prime is 83823449. The reversal of 83823437 is 73432838.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82337476 + 1485961 = 9074^2 + 1219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83823437 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83823437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83823037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41911718 + 41911719.

It is an arithmetic number, because the mean of its divisors is an integer number (41911719).

Almost surely, 2^83823437 is an apocalyptic number.

It is an amenable number.

83823437 is a deficient number, since it is larger than the sum of its proper divisors (1).

83823437 is an equidigital number, since it uses as much as digits as its factorization.

83823437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 38.

The square root of 83823437 is about 9155.5140216156. The cubic root of 83823437 is about 437.6448491260.

The spelling of 83823437 in words is "eighty-three million, eight hundred twenty-three thousand, four hundred thirty-seven".