20141223455 has 4 divisors (see below), whose sum is σ = 24169468152. Its totient is φ = 16112978760.

The previous prime is 20141223439. The next prime is 20141223481. The reversal of 20141223455 is 55432214102.

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

It is not a de Polignac number, because 20141223455 - 2⁴ = 20141223439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2014122341 + ... + 2014122350.

It is an arithmetic number, because the mean of its divisors is an integer number (6042367038).

Almost surely, 2^20141223455 is an apocalyptic number.

20141223455 is a deficient number, since it is larger than the sum of its proper divisors (4028244697).

20141223455 is an equidigital number, since it uses as much as digits as its factorization.

20141223455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028244696.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 20141223455 its reverse (55432214102), we get a palindrome (75573437557).

The spelling of 20141223455 in words is "twenty billion, one hundred forty-one million, two hundred twenty-three thousand, four hundred fifty-five".