20233435400023 has 4 divisors (see below), whose sum is σ = 20233630850400. Its totient is φ = 20233239949648.

The previous prime is 20233435400011. The next prime is 20233435400071. The reversal of 20233435400023 is 32000453433202.

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

It is a cyclic number.

It is not a de Polignac number, because 20233435400023 - 2⁹ = 20233435399511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233435400923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97569823 + ... + 97776976.

It is an arithmetic number, because the mean of its divisors is an integer number (5058407712600).

Almost surely, 2^{20233435400023} is an apocalyptic number.

20233435400023 is a deficient number, since it is larger than the sum of its proper divisors (195450377).

20233435400023 is a wasteful number, since it uses less digits than its factorization.

20233435400023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195450376.

The product of its (nonzero) digits is 51840, while the sum is 31.

Adding to 20233435400023 its reverse (32000453433202), we get a palindrome (52233888833225).

The spelling of 20233435400023 in words is "twenty trillion, two hundred thirty-three billion, four hundred thirty-five million, four hundred thousand, twenty-three".