20214453432423 has 16 divisors (see below), whose sum is σ = 27214712478720. Its totient is φ = 13345252492704.

The previous prime is 20214453432413. The next prime is 20214453432427. The reversal of 20214453432423 is 32423435441202.

It is a happy number.

It is not a de Polignac number, because 20214453432423 - 2⁶ = 20214453432359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20214453432427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20323273 + ... + 21294701.

It is an arithmetic number, because the mean of its divisors is an integer number (1700919529920).

Almost surely, 2^{20214453432423} is an apocalyptic number.

20214453432423 is a deficient number, since it is larger than the sum of its proper divisors (7000259046297).

20214453432423 is a wasteful number, since it uses less digits than its factorization.

20214453432423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038878.

The product of its (nonzero) digits is 552960, while the sum is 39.

Adding to 20214453432423 its reverse (32423435441202), we get a palindrome (52637888873625).

The spelling of 20214453432423 in words is "twenty trillion, two hundred fourteen billion, four hundred fifty-three million, four hundred thirty-two thousand, four hundred twenty-three".