97420785223 has 4 divisors (see below), whose sum is σ = 97468240168. Its totient is φ = 97373330280.

The previous prime is 97420785211. The next prime is 97420785247. The reversal of 97420785223 is 32258702479.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97420785223 - 2¹⁷ = 97420654151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97420785523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23724393 + ... + 23728498.

It is an arithmetic number, because the mean of its divisors is an integer number (24367060042).

Almost surely, 2^97420785223 is an apocalyptic number.

97420785223 is a deficient number, since it is larger than the sum of its proper divisors (47454945).

97420785223 is a wasteful number, since it uses less digits than its factorization.

97420785223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47454944.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 97420785223 in words is "ninety-seven billion, four hundred twenty million, seven hundred eighty-five thousand, two hundred twenty-three".