97859423 has 4 divisors (see below), whose sum is σ = 98371968. Its totient is φ = 97346880.

The previous prime is 97859417. The next prime is 97859431. The reversal of 97859423 is 32495879.

It is a happy number.

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 97859423 - 2¹² = 97855327 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 (97859453) 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, 255986 + ... + 256367.

It is an arithmetic number, because the mean of its divisors is an integer number (24592992).

Almost surely, 2^97859423 is an apocalyptic number.

97859423 is a deficient number, since it is larger than the sum of its proper divisors (512545).

97859423 is a wasteful number, since it uses less digits than its factorization.

97859423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512544.

The product of its digits is 544320, while the sum is 47.

The square root of 97859423 is about 9892.3921778304. The cubic root of 97859423 is about 460.8230742905.

The spelling of 97859423 in words is "ninety-seven million, eight hundred fifty-nine thousand, four hundred twenty-three".