83690023 has 2 divisors, whose sum is σ = 83690024. Its totient is φ = 83690022.

The previous prime is 83690017. The next prime is 83690051. The reversal of 83690023 is 32009638.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83690023 - 2¹³ = 83681831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83690053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41845011 + 41845012.

It is an arithmetic number, because the mean of its divisors is an integer number (41845012).

Almost surely, 2^83690023 is an apocalyptic number.

83690023 is a deficient number, since it is larger than the sum of its proper divisors (1).

83690023 is an equidigital number, since it uses as much as digits as its factorization.

83690023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 83690023 is about 9148.2251284061. The cubic root of 83690023 is about 437.4125395782.

The spelling of 83690023 in words is "eighty-three million, six hundred ninety thousand, twenty-three".