83442523 has 2 divisors, whose sum is σ = 83442524. Its totient is φ = 83442522.

The previous prime is 83442487. The next prime is 83442563. The reversal of 83442523 is 32524438.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83442523 - 2¹³ = 83434331 is a prime.

It is not a weakly prime, because it can be changed into another prime (83442563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41721261 + 41721262.

It is an arithmetic number, because the mean of its divisors is an integer number (41721262).

Almost surely, 2^83442523 is an apocalyptic number.

83442523 is a deficient number, since it is larger than the sum of its proper divisors (1).

83442523 is an equidigital number, since it uses as much as digits as its factorization.

83442523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 31.

The square root of 83442523 is about 9134.6878983357. The cubic root of 83442523 is about 436.9809210270.

The spelling of 83442523 in words is "eighty-three million, four hundred forty-two thousand, five hundred twenty-three".