10023997 has 4 divisors (see below), whose sum is σ = 10030716. Its totient is φ = 10017280.

The previous prime is 10023991. The next prime is 10024009. The reversal of 10023997 is 79932001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7918596 + 2105401 = 2814^2 + 1451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10023997 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10023991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4 + ... + 4477.

It is an arithmetic number, because the mean of its divisors is an integer number (2507679).

Almost surely, 2^10023997 is an apocalyptic number.

It is an amenable number.

10023997 is a deficient number, since it is larger than the sum of its proper divisors (6719).

10023997 is an equidigital number, since it uses as much as digits as its factorization.

10023997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6718.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 10023997 is about 3166.0696454753. The cubic root of 10023997 is about 215.6156645682.

Adding to 10023997 its reverse (79932001), we get a palindrome (89955998).

The spelling of 10023997 in words is "ten million, twenty-three thousand, nine hundred ninety-seven".