20423454312334 has 8 divisors (see below), whose sum is σ = 30938500097208. Its totient is φ = 10110620946600.

The previous prime is 20423454312329. The next prime is 20423454312341. The reversal of 20423454312334 is 43321345432402.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50553104532 + ... + 50553104935.

It is an arithmetic number, because the mean of its divisors is an integer number (3867312512151).

Almost surely, 2^{20423454312334} is an apocalyptic number.

20423454312334 is a deficient number, since it is larger than the sum of its proper divisors (10515045784874).

20423454312334 is a wasteful number, since it uses less digits than its factorization.

20423454312334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101106209570.

The product of its (nonzero) digits is 829440, while the sum is 40.

Adding to 20423454312334 its reverse (43321345432402), we get a palindrome (63744799744736).

The spelling of 20423454312334 in words is "twenty trillion, four hundred twenty-three billion, four hundred fifty-four million, three hundred twelve thousand, three hundred thirty-four".