97228523 has 4 divisors (see below), whose sum is σ = 111118320. Its totient is φ = 83338728.

The previous prime is 97228511. The next prime is 97228583. The reversal of 97228523 is 32582279.

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 97228523 - 2⁶ = 97228459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97228583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6944888 + ... + 6944901.

It is an arithmetic number, because the mean of its divisors is an integer number (27779580).

Almost surely, 2^97228523 is an apocalyptic number.

97228523 is a deficient number, since it is larger than the sum of its proper divisors (13889797).

97228523 is a wasteful number, since it uses less digits than its factorization.

97228523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13889796.

The product of its digits is 60480, while the sum is 38.

The square root of 97228523 is about 9860.4524744050. The cubic root of 97228523 is about 459.8306292022.

The spelling of 97228523 in words is "ninety-seven million, two hundred twenty-eight thousand, five hundred twenty-three".