10020523 has 4 divisors (see below), whose sum is σ = 10264968. Its totient is φ = 9776080.

The previous prime is 10020509. The next prime is 10020547. The reversal of 10020523 is 32502001.

10020523 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32502001 = 7 ⋅4643143.

It is a cyclic number.

It is not a de Polignac number, because 10020523 - 2²¹ = 7923371 is a prime.

It is a super-3 number, since 3×10020523³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10020323) 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, 122161 + ... + 122242.

It is an arithmetic number, because the mean of its divisors is an integer number (2566242).

Almost surely, 2^10020523 is an apocalyptic number.

10020523 is a deficient number, since it is larger than the sum of its proper divisors (244445).

10020523 is an equidigital number, since it uses as much as digits as its factorization.

10020523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244444.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 10020523 is about 3165.5209681820. The cubic root of 10020523 is about 215.5907531691.

Adding to 10020523 its reverse (32502001), we get a palindrome (42522524).

The spelling of 10020523 in words is "ten million, twenty thousand, five hundred twenty-three".