1983670523 has 2 divisors, whose sum is σ = 1983670524. Its totient is φ = 1983670522.

The previous prime is 1983670519. The next prime is 1983670609. The reversal of 1983670523 is 3250763891.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1983670523 - 2² = 1983670519 is a prime.

It is not a weakly prime, because it can be changed into another prime (1983670123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991835261 + 991835262.

It is an arithmetic number, because the mean of its divisors is an integer number (991835262).

Almost surely, 2^1983670523 is an apocalyptic number.

1983670523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1983670523 is an equidigital number, since it uses as much as digits as its factorization.

1983670523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 1983670523 is about 44538.4162605722. The cubic root of 1983670523 is about 1256.4826998025.

The spelling of 1983670523 in words is "one billion, nine hundred eighty-three million, six hundred seventy thousand, five hundred twenty-three".