83542188623 has 2 divisors, whose sum is σ = 83542188624. Its totient is φ = 83542188622.

The previous prime is 83542188551. The next prime is 83542188629. The reversal of 83542188623 is 32688124538.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83542188623 - 2¹² = 83542184527 is a prime.

It is a super-2 number, since 2×83542188623² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83542188629) 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, 41771094311 + 41771094312.

It is an arithmetic number, because the mean of its divisors is an integer number (41771094312).

Almost surely, 2^83542188623 is an apocalyptic number.

83542188623 is a deficient number, since it is larger than the sum of its proper divisors (1).

83542188623 is an equidigital number, since it uses as much as digits as its factorization.

83542188623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2211840, while the sum is 50.

The spelling of 83542188623 in words is "eighty-three billion, five hundred forty-two million, one hundred eighty-eight thousand, six hundred twenty-three".