20123342144401 has 8 divisors (see below), whose sum is σ = 20147193064800. Its totient is φ = 20099492212800.

The previous prime is 20123342144357. The next prime is 20123342144443. The reversal of 20123342144401 is 10444124332102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20123342144401 - 2²¹ = 20123340047249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20123342144501) 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, 45479490 + ... + 45919828.

It is an arithmetic number, because the mean of its divisors is an integer number (2518399133100).

Almost surely, 2^{20123342144401} is an apocalyptic number.

It is an amenable number.

20123342144401 is a deficient number, since it is larger than the sum of its proper divisors (23850920399).

20123342144401 is an equidigital number, since it uses as much as digits as its factorization.

20123342144401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494399.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 20123342144401 its reverse (10444124332102), we get a palindrome (30567466476503).

The spelling of 20123342144401 in words is "twenty trillion, one hundred twenty-three billion, three hundred forty-two million, one hundred forty-four thousand, four hundred one".