102023780157847 has 2 divisors, whose sum is σ = 102023780157848. Its totient is φ = 102023780157846.

The previous prime is 102023780157797. The next prime is 102023780157917. The reversal of 102023780157847 is 748751087320201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102023780157847 - 2³⁵ = 101989420419479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102023780157647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51011890078923 + 51011890078924.

It is an arithmetic number, because the mean of its divisors is an integer number (51011890078924).

Almost surely, 2^{102023780157847} is an apocalyptic number.

102023780157847 is a deficient number, since it is larger than the sum of its proper divisors (1).

102023780157847 is an equidigital number, since it uses as much as digits as its factorization.

102023780157847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5268480, while the sum is 55.

The spelling of 102023780157847 in words is "one hundred two trillion, twenty-three billion, seven hundred eighty million, one hundred fifty-seven thousand, eight hundred forty-seven".