93721085923 has 2 divisors, whose sum is σ = 93721085924. Its totient is φ = 93721085922.

The previous prime is 93721085839. The next prime is 93721086001. The reversal of 93721085923 is 32958012739.

It is a strong prime.

It is an emirp because it is prime and its reverse (32958012739) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93721085923 is a prime.

It is not a weakly prime, because it can be changed into another prime (93721085123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46860542961 + 46860542962.

It is an arithmetic number, because the mean of its divisors is an integer number (46860542962).

Almost surely, 2^93721085923 is an apocalyptic number.

93721085923 is a deficient number, since it is larger than the sum of its proper divisors (1).

93721085923 is an equidigital number, since it uses as much as digits as its factorization.

93721085923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 93721085923 in words is "ninety-three billion, seven hundred twenty-one million, eighty-five thousand, nine hundred twenty-three".