20023335343 has 4 divisors (see below), whose sum is σ = 21843638568. Its totient is φ = 18203032120.

The previous prime is 20023335313. The next prime is 20023335347. The reversal of 20023335343 is 34353332002.

It is a happy number.

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 20023335343 - 2²⁵ = 19989780911 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 (20023335347) 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, 910151596 + ... + 910151617.

It is an arithmetic number, because the mean of its divisors is an integer number (5460909642).

Almost surely, 2^20023335343 is an apocalyptic number.

20023335343 is a deficient number, since it is larger than the sum of its proper divisors (1820303225).

20023335343 is a wasteful number, since it uses less digits than its factorization.

20023335343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820303224.

The product of its (nonzero) digits is 19440, while the sum is 28.

Adding to 20023335343 its reverse (34353332002), we get a palindrome (54376667345).

The spelling of 20023335343 in words is "twenty billion, twenty-three million, three hundred thirty-five thousand, three hundred forty-three".