97023231 has 16 divisors (see below), whose sum is σ = 146452320. Its totient is φ = 63460800.

The previous prime is 97023229. The next prime is 97023247. The reversal of 97023231 is 13232079.

It is not a de Polignac number, because 97023231 - 2¹ = 97023229 is a prime.

It is a super-2 number, since 2×97023231² = 18827014707358722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 97023195 and 97023204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97023271) 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 15 ways as a sum of consecutive naturals, for example, 32470 + ... + 35331.

It is an arithmetic number, because the mean of its divisors is an integer number (9153270).

Almost surely, 2^97023231 is an apocalyptic number.

97023231 is a deficient number, since it is larger than the sum of its proper divisors (49429089).

97023231 is a wasteful number, since it uses less digits than its factorization.

97023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67863 (or 67857 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 97023231 is about 9850.0371065291. The cubic root of 97023231 is about 459.5067665322.

The spelling of 97023231 in words is "ninety-seven million, twenty-three thousand, two hundred thirty-one".