10020023 has 4 divisors (see below), whose sum is σ = 10790808. Its totient is φ = 9249240.

The previous prime is 10020013. The next prime is 10020041. The reversal of 10020023 is 32002001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32002001 = 853 ⋅37517.

It is not a de Polignac number, because 10020023 - 2⁸ = 10019767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020013) 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, 385373 + ... + 385398.

It is an arithmetic number, because the mean of its divisors is an integer number (2697702).

Almost surely, 2^10020023 is an apocalyptic number.

10020023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10020023 is a deficient number, since it is larger than the sum of its proper divisors (770785).

10020023 is an equidigital number, since it uses as much as digits as its factorization.

10020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770784.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 10020023 is about 3165.4419912549. The cubic root of 10020023 is about 215.5871672895.

Adding to 10020023 its reverse (32002001), we get a palindrome (42022024).

The spelling of 10020023 in words is "ten million, twenty thousand, twenty-three".