97857480423 has 4 divisors (see below), whose sum is σ = 130476640568. Its totient is φ = 65238320280.

The previous prime is 97857480419. The next prime is 97857480431. The reversal of 97857480423 is 32408475879.

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

It is not a de Polignac number, because 97857480423 - 2² = 97857480419 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 (97857480473) 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 3 ways as a sum of consecutive naturals, for example, 16309580068 + ... + 16309580073.

It is an arithmetic number, because the mean of its divisors is an integer number (32619160142).

Almost surely, 2^97857480423 is an apocalyptic number.

97857480423 is a deficient number, since it is larger than the sum of its proper divisors (32619160145).

97857480423 is a wasteful number, since it uses less digits than its factorization.

97857480423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32619160144.

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 97857480423 in words is "ninety-seven billion, eight hundred fifty-seven million, four hundred eighty thousand, four hundred twenty-three".