20434000324123 has 8 divisors (see below), whose sum is σ = 21335605286400. Its totient is φ = 19533492875688.

The previous prime is 20434000324063. The next prime is 20434000324141. The reversal of 20434000324123 is 32142300043402.

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 20434000324123 - 2⁴¹ = 18234977068571 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20434000324091 and 20434000324100.

It is not an unprimeable number, because it can be changed into a prime (20434000324223) 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, 274340403 + ... + 274414876.

It is an arithmetic number, because the mean of its divisors is an integer number (2666950660800).

Almost surely, 2^{20434000324123} is an apocalyptic number.

20434000324123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20434000324123 is a deficient number, since it is larger than the sum of its proper divisors (901604962277).

20434000324123 is a wasteful number, since it uses less digits than its factorization.

20434000324123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548756921.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20434000324123 its reverse (32142300043402), we get a palindrome (52576300367525).

The spelling of 20434000324123 in words is "twenty trillion, four hundred thirty-four billion, three hundred twenty-four thousand, one hundred twenty-three".