20323430034123 has 32 divisors (see below), whose sum is σ = 27483096517632. Its totient is φ = 13357495756800.

The previous prime is 20323430034109. The next prime is 20323430034191. The reversal of 20323430034123 is 32143003432302.

It is not a de Polignac number, because 20323430034123 - 2⁹ = 20323430033611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20323430034823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137552578 + ... + 137700248.

It is an arithmetic number, because the mean of its divisors is an integer number (858846766176).

Almost surely, 2^{20323430034123} is an apocalyptic number.

20323430034123 is a deficient number, since it is larger than the sum of its proper divisors (7159666483509).

20323430034123 is a wasteful number, since it uses less digits than its factorization.

20323430034123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149595.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 20323430034123 its reverse (32143003432302), we get a palindrome (52466433466425).

The spelling of 20323430034123 in words is "twenty trillion, three hundred twenty-three billion, four hundred thirty million, thirty-four thousand, one hundred twenty-three".