89102139923 has 2 divisors, whose sum is σ = 89102139924. Its totient is φ = 89102139922.

The previous prime is 89102139829. The next prime is 89102139961. The reversal of 89102139923 is 32993120198.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89102139923 - 2¹⁰ = 89102138899 is a prime.

It is not a weakly prime, because it can be changed into another prime (89102139983) 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, 44551069961 + 44551069962.

It is an arithmetic number, because the mean of its divisors is an integer number (44551069962).

Almost surely, 2^89102139923 is an apocalyptic number.

89102139923 is a deficient number, since it is larger than the sum of its proper divisors (1).

89102139923 is an equidigital number, since it uses as much as digits as its factorization.

89102139923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 47.

The spelling of 89102139923 in words is "eighty-nine billion, one hundred two million, one hundred thirty-nine thousand, nine hundred twenty-three".