97447123 has 4 divisors (see below), whose sum is σ = 98412048. Its totient is φ = 96482200.

The previous prime is 97447099. The next prime is 97447139. The reversal of 97447123 is 32174479.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32174479 = 89 ⋅361511.

It is a cyclic number.

It is not a de Polignac number, because 97447123 - 2²¹ = 95349971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97447183) 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, 482311 + ... + 482512.

It is an arithmetic number, because the mean of its divisors is an integer number (24603012).

Almost surely, 2^97447123 is an apocalyptic number.

97447123 is a deficient number, since it is larger than the sum of its proper divisors (964925).

97447123 is a wasteful number, since it uses less digits than its factorization.

97447123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964924.

The product of its digits is 42336, while the sum is 37.

The square root of 97447123 is about 9871.5309349665. The cubic root of 97447123 is about 460.1749854114.

The spelling of 97447123 in words is "ninety-seven million, four hundred forty-seven thousand, one hundred twenty-three".