20064123 has 12 divisors (see below), whose sum is σ = 29379480. Its totient is φ = 13192416.

The previous prime is 20064113. The next prime is 20064127. The reversal of 20064123 is 32146002.

It is a happy number.

20064123 is a `hidden beast` number, since 2 + 0 + 0 + 641 + 23 = 666.

It is not a de Polignac number, because 20064123 - 2⁹ = 20063611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20064096 and 20064105.

It is not an unprimeable number, because it can be changed into a prime (20064127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14613 + ... + 15926.

It is an arithmetic number, because the mean of its divisors is an integer number (2448290).

Almost surely, 2^20064123 is an apocalyptic number.

20064123 is a deficient number, since it is larger than the sum of its proper divisors (9315357).

20064123 is a wasteful number, since it uses less digits than its factorization.

20064123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30618 (or 30615 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 20064123 is about 4479.2993871810. The cubic root of 20064123 is about 271.7315465166.

The spelling of 20064123 in words is "twenty million, sixty-four thousand, one hundred twenty-three".