20131423110244 has 24 divisors (see below), whose sum is σ = 35676777530240. Its totient is φ = 9938064086496.

The previous prime is 20131423110209. The next prime is 20131423110277. The reversal of 20131423110244 is 44201132413102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13135834 + ... + 14588110.

Almost surely, 2^{20131423110244} is an apocalyptic number.

It is an amenable number.

20131423110244 is a deficient number, since it is larger than the sum of its proper divisors (15545354419996).

20131423110244 is a wasteful number, since it uses less digits than its factorization.

20131423110244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496227 (or 1496225 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 20131423110244 its reverse (44201132413102), we get a palindrome (64332555523346).

The spelling of 20131423110244 in words is "twenty trillion, one hundred thirty-one billion, four hundred twenty-three million, one hundred ten thousand, two hundred forty-four".