20440214100023 has 2 divisors, whose sum is σ = 20440214100024. Its totient is φ = 20440214100022.

The previous prime is 20440214100011. The next prime is 20440214100037. The reversal of 20440214100023 is 32000141204402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20440214100023 - 2¹² = 20440214095927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20440214108023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10220107050011 + 10220107050012.

It is an arithmetic number, because the mean of its divisors is an integer number (10220107050012).

Almost surely, 2^{20440214100023} is an apocalyptic number.

20440214100023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20440214100023 is an equidigital number, since it uses as much as digits as its factorization.

20440214100023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20440214100023 its reverse (32000141204402), we get a palindrome (52440355304425).

The spelling of 20440214100023 in words is "twenty trillion, four hundred forty billion, two hundred fourteen million, one hundred thousand, twenty-three".