20123044144102 has 4 divisors (see below), whose sum is σ = 30184566216156. Its totient is φ = 10061522072050.

The previous prime is 20123044143997. The next prime is 20123044144111. The reversal of 20123044144102 is 20144144032102.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5030761036024 + ... + 5030761036027.

It is an arithmetic number, because the mean of its divisors is an integer number (7546141554039).

Almost surely, 2^{20123044144102} is an apocalyptic number.

20123044144102 is a deficient number, since it is larger than the sum of its proper divisors (10061522072054).

20123044144102 is a wasteful number, since it uses less digits than its factorization.

20123044144102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10061522072053.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 20123044144102 its reverse (20144144032102), we get a palindrome (40267188176204).

The spelling of 20123044144102 in words is "twenty trillion, one hundred twenty-three billion, forty-four million, one hundred forty-four thousand, one hundred two".