93423756409 has 9 divisors (see below), whose sum is σ = 98605717317. Its totient is φ = 88501214844.

The previous prime is 93423756403. The next prime is 93423756421. The reversal of 93423756409 is 90465732439.

It is a happy number.

The square root of 93423756409 is 305653.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 93423756409 - 2²⁵ = 93390201977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93423756403) 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 in 8 ways as a sum of consecutive naturals, for example, 5799364 + ... + 5815450.

It is an arithmetic number, because the mean of its divisors is an integer number (10956190813).

Almost surely, 2^93423756409 is an apocalyptic number.

93423756409 is the 305653-rd square number.

93423756409 is the 152827-th centered octagonal number.

It is an amenable number.

93423756409 is a deficient number, since it is larger than the sum of its proper divisors (5181960908).

93423756409 is an frugal number, since it uses more digits than its factorization.

93423756409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32212 (or 16106 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 52.

The spelling of 93423756409 in words is "ninety-three billion, four hundred twenty-three million, seven hundred fifty-six thousand, four hundred nine".