83723573 has 2 divisors, whose sum is σ = 83723574. Its totient is φ = 83723572.

The previous prime is 83723567. The next prime is 83723597. The reversal of 83723573 is 37532738.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77563249 + 6160324 = 8807^2 + 2482^2 .

It is a cyclic number.

It is not a de Polignac number, because 83723573 - 2⁶ = 83723509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83723503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41861786 + 41861787.

It is an arithmetic number, because the mean of its divisors is an integer number (41861787).

Almost surely, 2^83723573 is an apocalyptic number.

It is an amenable number.

83723573 is a deficient number, since it is larger than the sum of its proper divisors (1).

83723573 is an equidigital number, since it uses as much as digits as its factorization.

83723573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 38.

The square root of 83723573 is about 9150.0586336919. The cubic root of 83723573 is about 437.4709823475.

The spelling of 83723573 in words is "eighty-three million, seven hundred twenty-three thousand, five hundred seventy-three".