20410123 has 8 divisors (see below), whose sum is σ = 21643920. Its totient is φ = 19192320.

The previous prime is 20410111. The next prime is 20410129. The reversal of 20410123 is 32101402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20410123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20410129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1318 + ... + 6523.

It is an arithmetic number, because the mean of its divisors is an integer number (2705490).

Almost surely, 2^20410123 is an apocalyptic number.

20410123 is a deficient number, since it is larger than the sum of its proper divisors (1233797).

20410123 is a wasteful number, since it uses less digits than its factorization.

20410123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7997.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20410123 is about 4517.7564122029. The cubic root of 20410123 is about 273.2846302610.

Adding to 20410123 its reverse (32101402), we get a palindrome (52511525).

The spelling of 20410123 in words is "twenty million, four hundred ten thousand, one hundred twenty-three".