20123441010123 has 16 divisors (see below), whose sum is σ = 30811010160000. Its totient is φ = 11554128809280.

The previous prime is 20123441010119. The next prime is 20123441010131. The reversal of 20123441010123 is 32101014432102.

It is not a de Polignac number, because 20123441010123 - 2² = 20123441010119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20123441010093 and 20123441010102.

It is not an unprimeable number, because it can be changed into a prime (20123441010823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16047400498 + ... + 16047401751.

It is an arithmetic number, because the mean of its divisors is an integer number (1925688135000).

Almost surely, 2^{20123441010123} is an apocalyptic number.

20123441010123 is a deficient number, since it is larger than the sum of its proper divisors (10687569149877).

20123441010123 is a wasteful number, since it uses less digits than its factorization.

20123441010123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32094802282.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 20123441010123 its reverse (32101014432102), we get a palindrome (52224455442225).

The spelling of 20123441010123 in words is "twenty trillion, one hundred twenty-three billion, four hundred forty-one million, ten thousand, one hundred twenty-three".