9897023 has 2 divisors, whose sum is σ = 9897024. Its totient is φ = 9897022.

The previous prime is 9897011. The next prime is 9897037. The reversal of 9897023 is 3207989.

9897023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (3207989) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9897023 - 2⁸ = 9896767 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9891023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4948511 + 4948512.

It is an arithmetic number, because the mean of its divisors is an integer number (4948512).

Almost surely, 2^9897023 is an apocalyptic number.

9897023 is a deficient number, since it is larger than the sum of its proper divisors (1).

9897023 is an equidigital number, since it uses as much as digits as its factorization.

9897023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 9897023 is about 3145.9534325861. The cubic root of 9897023 is about 214.7013918444.

The spelling of 9897023 in words is "nine million, eight hundred ninety-seven thousand, twenty-three".