20132123 has 8 divisors (see below), whose sum is σ = 22241280. Its totient is φ = 18069480.

The previous prime is 20132117. The next prime is 20132129. The reversal of 20132123 is 32123102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20132117) and next prime (20132129).

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

It is not a de Polignac number, because 20132123 - 2¹⁶ = 20066587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20132098 and 20132107.

It is not an unprimeable number, because it can be changed into a prime (20132129) 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, 10715 + ... + 12452.

It is an arithmetic number, because the mean of its divisors is an integer number (2780160).

Almost surely, 2^20132123 is an apocalyptic number.

20132123 is a deficient number, since it is larger than the sum of its proper divisors (2109157).

20132123 is a wasteful number, since it uses less digits than its factorization.

20132123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23257.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 20132123 is about 4486.8834395380. The cubic root of 20132123 is about 272.0381785726.

Adding to 20132123 its reverse (32123102), we get a palindrome (52255225).

The spelling of 20132123 in words is "twenty million, one hundred thirty-two thousand, one hundred twenty-three".